Are lab-grown diamonds real diamonds?

Yes. They have the same carbon crystal structure, hardness and brilliance as mined diamonds. The difference is origin: they are grown in a lab rather than dug from the ground.

How big do half-carat solitaire studs look?

A 0.5-carat round brilliant is roughly 5 mm across, about the width of a pencil eraser. On the ear it reads as a modest, everyday stud rather than a statement piece.

Is 10K gold good for everyday earrings?

Yes. 10K gold is 41.7 percent gold alloyed with harder metals, so it resists scratches and dents better than 14K. It looks slightly paler yellow and holds less resale value.

What does SI clarity mean?

SI means slightly included: flaws are visible under 10x magnification and can sometimes be seen by eye up close. SI1-SI2 is a common grade for jewelry at this level.

Can these be worn in newly pierced ears?

Only if your piercer approves the metal. 10K gold is generally fine for most healed piercings, but fresh piercings often do better with nickel-free 14K or titanium.

Do they come with a warranty or certification?

KAY typically backs its fine jewelry with a limited warranty and offers cleaning and inspection service. Lab-grown stones at this size usually ship without a grading report; ask the store to confirm what is included.

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This hour's deals

KAY Lab-Grown Diamonds Round-Cut Solitaire Stud Earrings in 10K Yellow Gold

−60%

Jewelry · Kay Outlet

KAY Lab-Grown Diamonds Round-Cut Solitaire Stud Earrings in 10K Yellow Gold

Deal score 8.7 · Steal

$351.99$880.00 Kay Outlet's regular price

You save $528.01 at Kay Outlet

Deal.ai's agents found this deal on November 11. The store may have changed its price since.

Why it's a great deal

Kay Outlet lists its regular price at $880.00: 60% off by its own figures

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Specs

Silhouette: Stud
Material: Gold, Diamond
Gifts For Mothers: Yes
Stone Shape: Round
Origin: Lab GrownSource
Earrings: Stud EarringsSource
Karat: 10kSource
Diamond Clarity: SI (1-2)Source
Color: GoldSource
Stone: DiamondSource

About the KAY Lab-Grown Diamonds Round-Cut Solitaire Stud Earrings in 10K Yellow Gold

These are classic four-prong solitaire stud earrings from KAY, set with round lab-grown diamonds in 10K yellow gold. Each earring carries a half-carat stone with SI1-SI2 clarity, so the pair totals about one carat of sparkle. Lab-grown diamonds are chemically identical to mined ones and cost less, which makes a larger solitaire reachable at this tier. The trade-off is 10K gold, which is harder and more scratch-resistant than 14K but duller in color and lower in resale value. They suit everyday wear, office outfits and gift-giving, and they compete with mall-jewelry solitaire studs on stone size rather than metal purity.

Best forFirst fine-jewelry purchaseEveryday office and casual wearMother's Day and birthday giftsShoppers who want a one-carat look without mined-diamond pricing

Pros

About one carat total weight across the pair
Lab-grown stones match mined diamonds in hardness and brilliance
10K yellow gold resists scratching and denting well
Four-prong solitaire setting is a timeless, versatile shape
Screw-back or friction-post studs sit flat for daily wear

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