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Heart|Lab Grown|IGI

1.23ct D VS2 Heart Lab Grown Diamond

EX • D/VS2 • IGI LG837603688

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837603688

Diamond specifications and retailer prices

From $270 SGD
As of November 4, 2026
Save $147 SGD (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $417 SGD at Loose Grown Diamond · As of November 4, 2026
View at Loose Grown Diamond

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart 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 LG837603688 or 837603688. Listed at 2 retailers as of November 4, 2026, with prices from $270 to $417, a $147 spread on the same certified stone. Loose Grown Diamond lists it at $417. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837603688
Dimensions6.78 × 7.50 × 4.27 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm7.50 mm1.23 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837603688
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 56.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $417 SGD|Low: $267 SGD|High: $569 SGD|Avg: $446 SGD|+3.8%
Loose Grown Diamond
Retailer 2
Retailer 3
October 27, 2026
Retailer 2$270 SGD
Loose Grown Diamond$417 SGD
Retailer 3$569 SGD

4 data points across 3 retailers

2 retailers$270 SGD to $417 SGD

A
Cheapest Retailer
-
$270 SGD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
837603688 · Nov 4
$417 SGD
$326 USD
View
1 more retailer has this diamond
Prices start from $270 SGDSave up to $147 SGD

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.

A
1.23ct Heart
$270 SGD