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Heart|Lab Grown|IGI

1.21ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG823696106

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823696106

Diamond specifications and retailer prices

From $646 SGD
A$778 AUD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: $646 SGD at GemTrove
View at GemTrove

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823696106 or 823696106. Listed at 3 retailers as of November 6, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823696106
Dimensions6.66 × 7.22 × 4.46 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm7.22 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823696106
Side View
Table 57.0%Crown 32.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $646 SGD|Low: $327 SGD|High: $1,022 SGD|Avg: $653 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4$327 SGD
Retailer 9$393 SGD
Retailer 8$447 SGD
Retailer 11$465 SGD
Retailer 7$487 SGD
Retailer 2$501 SGD
Retailer 13$556 SGD
GemTrove$646 SGD
Retailer 10$743 SGD
Retailer 5$950 SGD
Retailer 12$950 SGD
Retailer 3$1,001 SGD
Retailer 6$1,022 SGD

3 data points across 13 retailers

3 retailers

Retailer 1
-
$327 SGD
Price last confirmed 63 days ago
Retailer 2
-
$447 SGD
View
Price last confirmed 66 days ago
Most Expensive
B+
GemTrove
GT-L-01120937-98 · Nov 6
$646 SGD
A$778 AUD
View
2 more retailers have this diamond

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 Heart
$646 SGD