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Heart|Lab Grown|IGI

1.21ct G VVS2 Heart Lab Grown Diamond

ID • G/VVS2 • IGI LG800628823

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800628823

Diamond specifications and retailer prices

From $381 SGD
As of November 4, 2026
Save $594 SGD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,319 SGD at MOH London · As of October 25, 2026
View at MOH London

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800628823 or 800628823. Listed at 8 retailers as of November 4, 2026, with a 156% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800628823
Dimensions6.81 × 7.31 × 4.30 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm7.31 mm1.21 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800628823
Side View
Table 64.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,319 SGD|Low: $381 SGD|High: $2,266 SGD|Avg: $734 SGD|-41.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7$381 SGD
Retailer 3$479 SGD
Retailer 2$501 SGD
Retailer 6$580 SGD
Retailer 4$598 SGD
Retailer 5$975 SGD
MOH London$1,319 SGD

41 data points across 7 retailers

8 retailers$381 SGD to $975 SGD

Retailer 1
-
$327 SGD
Price last confirmed 62 days ago
B+
Retailer 2
-
$381 SGD
View
A
Retailer 3
-
$479 SGD
View
A
Retailer 4
-
$501 SGD
View
B+
Retailer 5
-
$580 SGD
View
B+
Retailer 6
-
$598 SGD
View
B
Retailer 7
-
$975 SGD
View
Most Expensive
MOH London
LG800628823 · Oct 25
$1,319 SGD
£813 GBP
View
Price last confirmed 11 days ago
7 more retailers have this diamond
Prices start from $381 SGDSave up to $594 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
1.21ct Heart
$381 SGD