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0.42 Carat ROUND D VVS1 IGI Ideal Cut

0.42 Carat ROUND D VVS1 IGI Ideal Cut

Best price now

$479.00at AmazonObserved at 8:43 AM

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Our take on the 0.42 Carat ROUND D VVS1 IGI Ideal Cut

A loose 0.42 carat round lab-grown diamond graded D color and VVS1 clarity, with an Ideal cut and IGI certification. D color is the top colorless grade, and VVS1 means inclusions are extremely hard to see under 10x magnification. The best new price is $479 at Amazon as of November 5, 2026, with two stores listing it new. The listing details conflict on grading: the spec sheet says GIA and 3.01 carat with strong fluorescence, while the product highlights say IGI and 0.42 carat, so confirm the certificate before buying.

Best forShoppers building a custom engagement ring around a loose stoneBuyers who want a colorless D-grade diamond on a budgetAnyone who prefers a certified lab-grown stone over a mined oneRing settings that take a roughly 4.3 mm round stone
Pros
  • D color is the highest colorless grade
  • VVS1 clarity is near the top of the scale
  • Ideal cut proportions support strong light return
  • IGI certificate documents the stone
  • About 4.3 mm across, a good size for a solitaire or halo
Cons
  • Small at 0.42 carat; under half a carat
  • Spec sheet and highlights disagree on lab, weight and fluorescence
  • Lab-grown diamonds resell for far less than mined stones
  • Loose stone only; a setting costs extra

0.42 Carat ROUND D VVS1 IGI Ideal Cut prices at every store

  • DIAMAURA JEWELRYNew

    In stockReturn policy

    $798.00Observed at 8:43 AM
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  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $479.00Free shippingObserved at 8:43 AM
    Visit store

Also available at

  • Brilliance.comCheck price at Brilliance.com

0.42 Carat ROUND D VVS1 IGI Ideal Cut price history

Lowest price we've seen: $479.00 on Nov 5 at Amazon. Tracked across 2 stores since Nov 5.

What reviewers say

Buyer feedback on Diamaura centers on the finished rings rather than this loose stone. Owners praise the diamonds and craftsmanship and call the rings better than expected. Complaints focus on slow resizing, unexpected overseas shipping and disputed returns.

Pros
  • Diamonds and craftsmanship described as high quality
  • Rings reported to exceed expectations
  • Responsive customer service and quick communication
  • Fast shipping and nice packaging
Cons
  • Resizing took about two months
  • Ring shipped from Hong Kong instead of California, later than stated
  • Return shipping charged despite a promised free label
  • Item reportedly did not match the website photo

From DIAMAURA JEWELRY

  • 0.42 carat round lab-grown diamond
  • D color, completely colorless
  • VVS1 clarity, inclusions extremely hard to see even under 10x magnification
  • Ideal cut for outstanding light reflection and proportions
  • IGI certified lab diamond with certificate available
  • Dimensions 4.29 × 4.31 mm, 62.10% depth, 57.00% table, 0.99 L/W ratio
Materials
Lab-grown diamond
Fit
Model wears US ring size 6.
Guarantee
Lifetime warranty
Returns
Free 30-day returns on all orders except custom design modifications; engraved rings returnable if the design wasn't modified.
Shipping
Free shipping; ready-to-ship orders ship within 3 business days and typically arrive within 5 business days; custom orders take about 20 business days, or 15 wi
In the box
IGI certification for the diamond

About the 0.42 Carat ROUND D VVS1 IGI Ideal Cut

To design your own lab grown diamond engagement ring at Diamaura with an ROUND centerpiece. Witness the brilliance of man made diamonds. Worldwide shipping. Shop now!

What buyers say

Buyers like
  • Beautiful, well-crafted rings that exceed expectations
  • Helpful, responsive customer service and quick communication
  • Easy-to-use website with ability to view and choose diamonds
  • Fast shipping and nice packaging
  • Quality of diamonds and craftsmanship praised
  • Free engraving and accommodating custom requests
Buyers complain about
  • Resizing took two months and the ring was sent outside the country without clear notice
  • Ring arrived from Hong Kong, not California, and delivery took longer than stated
  • Return request disputed; customer had to pay return shipping despite stated free label
  • Received only a partial refund after being told the item showed signs of wear
  • Live chat and phone number did not work
  • Item did not match the website photo

Specifications

Diamond Depth
62.90%
Diamond Fluorescence
Strong
Diamond Grading Lab
Grading Lab: GIA
Diamond Origin
Natural
Diamond Measurements
9.22 x 9.12 x 5.76 mm
Diamond Table
55.00%
Diamond Color
F

Questions and answers

Is a 0.42 carat diamond big enough for an engagement ring?
At about 4.3 mm across, it reads as a modest solitaire. It suits a halo or three-stone setting that adds visual size, or a buyer who wants a smaller, understated ring.
Is D VVS1 worth the premium over a lower grade?
D and VVS1 are top grades, but at 0.42 carat the difference from an F or VS1 stone is hard to see without a loupe. You can often save money by dropping to F color and VS clarity.
Is this diamond IGI or GIA certified?
The product highlights say IGI, but the spec sheet lists GIA and a 3.01 carat weight. Ask the seller for the certificate number and match it to the stone before you buy.
What does strong fluorescence mean for this stone?
The spec sheet lists strong fluorescence, which can make a diamond look slightly hazy in some lighting. In a D-color stone, faint or no fluorescence is usually preferred.
What comes with the diamond?
The listing includes the IGI certification for the stone. A ring setting, band and engraving are separate purchases.
When is the best time to buy a loose diamond?
Prices on lab-grown stones have fallen steadily, so there is little reason to rush. Compare the two new listings and check the price history before buying.
Where is the 0.42 Carat ROUND D VVS1 IGI Ideal Cut cheapest?
At Amazon, for $479.00, as of our latest check.
What do buyers say about the 0.42 Carat ROUND D VVS1 IGI Ideal Cut?
Buyers like: Beautiful, well-crafted rings that exceed expectations; Helpful, responsive customer service and quick communication; Easy-to-use website with ability to view and choose diamonds. Common complaints: Resizing took two months and the ring was sent outside the country without clear notice; Ring arrived from Hong Kong, not California, and delivery took longer than stated.
Where can I buy the 0.42 Carat ROUND D VVS1 IGI Ideal Cut?
3 stores we checked sell it, including DIAMAURA JEWELRY, Amazon, Brilliance.com.

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Diamond Clarity
VVS1
Diamond Weight
3.01 Carat
Diamond L / W Ratio
1.01