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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG823652322

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823652322

Diamond specifications and retailer prices

From $335 SGD
As of November 4, 2026
Save $1,604 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,377 SGD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 LG823652322 or 823652322. Listed at 14 retailers as of November 4, 2026, with a 479% 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

1.28
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823652322
Dimensions6.86 × 7.26 × 4.38 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm7.26 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823652322
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.3%

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: $2,377 SGD|Low: $335 SGD|High: $2,377 SGD|Avg: $1,107 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11$335 SGD
Retailer 9$501 SGD
Retailer 3$644 SGD
Retailer 13$677 SGD
Retailer 2$693 SGD
Retailer 5$831 SGD
Retailer 12$911 SGD
Retailer 8$1,195 SGD
Retailer 7$1,257 SGD
Retailer 6$1,286 SGD
Retailer 4$1,495 SGD
Retailer 10$1,939 SGD
Brilliant Earth$2,377 SGD

24 data points across 13 retailers

14 retailers$335 SGD to $1,939 SGD

A
Cheapest Retailer
-
$335 SGD
Final sale: no returns
A
Retailer 2
-
$501 SGD
View
A
Retailer 3
-
$644 SGD
View
B+
Retailer 4
-
$677 SGD
View
B+
Retailer 5
-
$693 SGD
View
B+
Retailer 6
-
$831 SGD
View
B+
Retailer 7
-
$911 SGD
View
B
Retailer 8
-
$1,195 SGD
View
B+
Retailer 9
-
$1,257 SGD
View
B+
Retailer 10
-
$1,286 SGD
View
Retailer 11
-
$1,471 SGD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$1,495 SGD
View
B
Retailer 13
-
$1,939 SGD
View
Most Expensive
Brilliant Earth
20909019A · Oct 16
$2,377 SGD
$1,860 USD
View
Price last confirmed 19 days ago
13 more retailers have this diamond
Prices start from $335 SGDSave up to $1,604 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
$335 SGD