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Radiant|Lab Grown|IGI

1.21ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG651431636

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG651431636

Diamond specifications and retailer prices

From $859 SGD
£529 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $859 SGD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG651431636 or 651431636. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651431636
Dimensions7.89 × 5.39 × 3.41 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm5.39 mm1.21 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651431636
Side View
Table 69.0%Crown 37.6°Girdle: MED-STKPavilion 32.9°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $165 SGD|Low: $111 SGD|High: $97,189 SGD|Avg: $1,542 SGD
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June 13, 2026
Retailer 9$111 SGD
Retailer 1$165 SGD
Retailer 13$294 SGD
Retailer 5$409 SGD
Retailer 8$446 SGD
Retailer 6$576 SGD
Retailer 15$645 SGD
Retailer 7$700 SGD
Retailer 14$754 SGD
Retailer 3$832 SGD
Retailer 12$840 SGD
Retailer 4$883 SGD
Retailer 2$964 SGD
Retailer 11$1,303 SGD
Retailer 10$1,360 SGD

51 data points across 15 retailers

1 retailer

B+
Diamond Quarter
1.21VS2DLG3610A8N · Nov 2
$859 SGD
£529 GBP
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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+
1.21ct Radiant
$859 SGD