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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836616616

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836616616

Diamond specifications and retailer prices

From $271 SGD
As of November 4, 2026
Save $878 SGD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,355 SGD at MOH London · As of October 29, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836616616 or 836616616. Listed at 17 retailers as of November 4, 2026, with a 324% 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

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616616
Dimensions6.67 × 7.51 × 4.08 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.67 mm7.51 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616616
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 54.3%

Caratlytics Score

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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: $1,355 SGD|Low: $271 SGD|High: $1,355 SGD|Avg: $732 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 5$271 SGD
Retailer 6$304 SGD
Retailer 3$314 SGD
Retailer 14$336 SGD
Retailer 2$381 SGD
Retailer 17$579 SGD
Retailer 12$580 SGD
Retailer 10$616 SGD
Retailer 15$648 SGD
Retailer 4$768 SGD
Retailer 11$821 SGD
Retailer 16$1,081 SGD
Retailer 13$1,084 SGD
Retailer 7$1,091 SGD
Retailer 8$1,148 SGD
Retailer 9$1,148 SGD
MOH London$1,355 SGD

11 data points across 17 retailers

17 retailers$271 SGD to $1,148 SGD

A
Cheapest Retailer
-
$271 SGD
A
Retailer 2
-
$304 SGD
View
Final sale: no returns
A
Retailer 3
-
$314 SGD
View
A
Retailer 4
-
$336 SGD
View
A
Retailer 5
-
$381 SGD
View
A
Retailer 6
-
$579 SGD
View
A
Retailer 7
-
$580 SGD
View
A
Retailer 8
-
$616 SGD
View
B+
Retailer 9
-
$648 SGD
View
B+
Retailer 10
-
$768 SGD
View
B+
Retailer 11
-
$821 SGD
View
B
Retailer 12
-
$1,081 SGD
View
B
Retailer 13
-
$1,084 SGD
View
B
Retailer 14
-
$1,091 SGD
View
B
Retailer 15
-
$1,148 SGD
View
B
Retailer 16
-
$1,148 SGD
View
Most Expensive
MOH London
LG836616616 · Oct 29
$1,355 SGD
£835 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $271 SGDSave up to $878 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
$271 SGD