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Round|Lab Grown|IGI

1.01ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG651421130

Certificate IGI LG651421130

Diamond specifications and retailer prices

From €413 EUR
As of November 6, 2026
Save €176 EUR (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €588 EUR at Kay Jewelers · As of November 5, 2026
View at Kay Jewelers

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG651421130 or 651421130. Listed at 3 retailers as of November 5, 2026, with prices from €413 to €588, a €176 spread on the same certified stone. Kay Jewelers lists it at €588. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG651421130
Dimensions6.43 × 6.46 mm
L/W Ratio1.00
Top View
6.43 mm6.46 mm1.01 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651421130
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: €588 EUR|Low: €413 EUR|High: €944 EUR|Avg: €736 EUR|-19.5%
Kay Jewelers
Retailer 2
Retailer 3
November 6, 2026
Retailer 2€413 EUR
Kay Jewelers€588 EUR
Retailer 3€588 EUR

8 data points across 3 retailers

3 retailers€413 EUR to €588 EUR

B
Cheapest Retailer
-
€413 EUR
B
Retailer 2
-
€588 EUR
View
Most Expensive
B
Kay Jewelers
252535892 · Nov 5
€588 EUR
$660 USD
View
2 more retailers have this diamond
Prices start from €413 EURSave up to €176 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.01ct Round
€413 EUR