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Heart|Lab Grown|IGI

2.57ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • IGI LG668469150

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG668469150

Diamond specifications and retailer prices

From $482 SGD
As of November 4, 2026
Save $3,043 SGD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,524 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 2.57ct lab-grown heart diamond

This 2.57ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668469150 or 668469150. Listed at 14 retailers as of November 4, 2026, with prices from $482 to $3,524, a $3,043 spread on the same certified stone. Brilliant Earth lists it at $3,524. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.57
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668469150
Dimensions8.32 × 9.59 × 5.59 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.32 mm9.59 mm2.57 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668469150
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 58.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $3,524 SGD|Low: $482 SGD|High: $5,190 SGD|Avg: $1,524 SGD|-32.1%
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 7$482 SGD
Retailer 8$540 SGD
Retailer 11$597 SGD
Retailer 13$734 SGD
Retailer 10$788 SGD
Retailer 5$954 SGD
Retailer 3$1,062 SGD
Retailer 2$1,069 SGD
Retailer 4$1,287 SGD
Retailer 12$1,676 SGD
Retailer 9$1,921 SGD
Retailer 6$2,329 SGD
Brilliant Earth$3,524 SGD

34 data points across 13 retailers

14 retailers$482 SGD to $3,524 SGD

A
Cheapest Retailer
-
$482 SGD
Retailer 2
-
$519 SGD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$540 SGD
View
Retailer 4
-
$597 SGD
View
Price last confirmed 25 days ago
Retailer 5
-
$597 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$788 SGD
View
B+
Retailer 7
-
$954 SGD
View
B+
Retailer 8
-
$1,062 SGD
View
B+
Retailer 9
-
$1,069 SGD
View
B+
Retailer 10
-
$1,287 SGD
View
B
Retailer 11
-
$1,676 SGD
View
B
Retailer 12
-
$1,921 SGD
View
B
Retailer 13
-
$2,329 SGD
View
Most Expensive
B
Brilliant Earth
12460210A · Nov 4
$3,524 SGD
$2,750 USD
View
13 more retailers have this diamond
Prices start from $482 SGDSave up to $3,043 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
2.57ct Heart
$482 SGD