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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG839670664

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839670664

Diamond specifications and retailer prices

From $291 SGD
As of November 4, 2026
Save $1,619 SGD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,910 SGD at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839670664 or 839670664. Listed at 20 retailers as of November 4, 2026, with prices from $291 to $1,910, a $1,619 spread on the same certified stone. Michael Trio lists it at $1,910. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670664
Dimensions6.79 × 7.32 × 4.35 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
6.79 mm7.32 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670664
Side View
Table 60.0%Crown 35.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 59.4%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,910 SGD|Low: $291 SGD|High: $1,932 SGD|Avg: $810 SGD|-1.1%
Michael Trio
Retailer 2
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Retailer 19
November 5, 2026
Retailer 6$291 SGD
Retailer 15$326 SGD
Retailer 7$339 SGD
Retailer 17$362 SGD
Retailer 11$365 SGD
Retailer 13$410 SGD
Retailer 16$486 SGD
Retailer 5$580 SGD
Retailer 8$626 SGD
Retailer 2$668 SGD
Retailer 9$769 SGD
Retailer 10$829 SGD
Retailer 19$883 SGD
Retailer 14$1,162 SGD
Retailer 4$1,165 SGD
Retailer 18$1,228 SGD
Retailer 3$1,250 SGD
Retailer 12$1,444 SGD
Michael Trio$1,910 SGD

18 data points across 19 retailers

20 retailers$291 SGD to $1,910 SGD

A+
Cheapest Retailer
-
$291 SGD
A
Retailer 2
-
$326 SGD
View
Final sale: no returns
A
Retailer 3
-
$339 SGD
View
A
Retailer 4
-
$362 SGD
View
Retailer 5
-
$365 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$410 SGD
View
B+
Retailer 7
-
$486 SGD
View
A
Retailer 8
-
$580 SGD
View
A
Retailer 9
-
$626 SGD
View
A
Retailer 10
-
$668 SGD
View
B+
Retailer 11
-
$769 SGD
View
B+
Retailer 12
-
$829 SGD
View
B+
Retailer 13
-
$883 SGD
View
B+
Retailer 14
-
$1,162 SGD
View
B+
Retailer 15
-
$1,165 SGD
View
B+
Retailer 16
-
$1,228 SGD
View
B+
Retailer 17
-
$1,250 SGD
View
B+
Retailer 18
-
$1,444 SGD
View
Retailer 19
-
$1,462 SGD
View
Price last confirmed 28 days ago
Most Expensive
B
Michael Trio
6512483400 · Nov 4
$1,910 SGD
View
19 more retailers have this diamond
Prices start from $291 SGDSave up to $1,619 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+
1.28ct Heart
$291 SGD