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1 CT. Lab-Grown Diamond Princess-cut Solitaire Engagement Ring, 10K Gold, Size 5

1 CT. Lab-Grown Diamond Princess-cut Solitaire Engagement Ring, 10K Gold, Size 5

4.1· 8 ratings

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$399.99at JCPenneyObserved at 10:36 AM

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Our take on the 1 CT. Lab-Grown Diamond Princess-cut Solitaire Engagement Ring, 10K Gold, Size 5

A 1 carat princess-cut lab-grown diamond in a four-prong solitaire setting on a 10K white gold band, sized 5. The stone is graded G color and SI1-SI2 clarity, so it faces up white with small inclusions not visible to the eye. At $399.99 at JCPenney as of November 5, 2026, it sits at the low end of what a 1 carat lab-grown solitaire in 10K gold costs, well under comparable 14K and natural-diamond rings.

Best forFirst-time engagement ring buyers on a budgetShoppers who want a square, princess-cut lookBuyers who prefer lab-grown stonesSmall ring sizes (size 5)
Pros
  • 1 carat center stone for under $400
  • Princess cut gives a square, modern profile
  • G color and SI1-SI2 clarity are solid for the price
  • 10K white gold keeps the cost down
  • Lab-grown diamond is chemically identical to a mined one
Cons
  • 10K gold is less gold-rich and wears its rhodium plating faster than 14K
  • SI1-SI2 clarity means inclusions may show under close inspection
  • Fixed size 5; resizing a prong-set solitaire can cost extra
  • Princess-cut corners are more chip-prone than round cuts
  • Only one store carries it at this price, so little price competition

1 CT. Lab-Grown Diamond Princess-cut Solitaire Engagement Ring, 10K Gold, Size 5 prices at every store

  • JCPenneyNew

    In stock

    $399.99Observed at 10:36 AM
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1 CT. Lab-Grown Diamond Princess-cut Solitaire Engagement Ring, 10K Gold, Size 5 price history

Lowest price we've seen: $399.99 on Nov 5 at JCPenney. Tracked across 1 store since Nov 5.

Specifications

Diamond Clarity
Si1-Si2
Setting
Prong
Shape
Princess
Stone Cut
Princess
Diamond Color
G
Metal Color
White
Center Stone Weight
1 Ct.
Rounded Carat Weight
1 Ct.
Care
Wipe Clean
Stone Type
1 Lab Grown Diamond
Metal
10k Gold

Questions and answers

Is a lab-grown diamond a real diamond?
Yes. It has the same carbon crystal structure and hardness as a mined diamond; only its origin differs. It typically resells for much less than a natural stone.
Is $399.99 a good price for this ring?
It is low for a 1 carat lab-grown solitaire in 10K gold. Comparable rings in 14K gold usually run several hundred dollars more.
Will the SI1-SI2 clarity be visible?
Usually not to the naked eye at this size. Small inclusions may be visible under a loupe or in very direct light.
Can this ring be resized?
A jeweler can resize a 10K gold band, but prong-set princess solitaires are harder to resize than plain bands, and the work adds cost.
What is in the box?
The ring only, as listed. A separate band or insurance appraisal is not included.
When is it cheapest?
Jewelry markdowns cluster around Valentine's Day, Mother's Day, Black Friday and December. Track the price history before buying.
Where is the 1 CT. Lab-Grown Diamond Princess-cut Solitaire Engagement Ring, 10K Gold, Size 5 cheapest?
At JCPenney, for $399.99, as of our latest check.
What do buyers say about the 1 CT. Lab-Grown Diamond Princess-cut Solitaire Engagement Ring, 10K Gold, Size 5?
Rated 4.1 out of 5 from 8 ratings.