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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 HK$2,947 HKD
As of November 4, 2026
Save HK$18,606 HKD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$21,553 HKD 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 HK$2,947 to HK$21,553, a HK$18,606 spread on the same certified stone. Brilliant Earth lists it at HK$21,553. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$21,553 HKD|Low: HK$2,947 HKD|High: HK$31,741 HKD|Avg: HK$9,317 HKD|-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 7HK$2,947 HKD
Retailer 8HK$3,300 HKD
Retailer 11HK$3,652 HKD
Retailer 13HK$4,491 HKD
Retailer 10HK$4,820 HKD
Retailer 5HK$5,831 HKD
Retailer 3HK$6,497 HKD
Retailer 2HK$6,536 HKD
Retailer 4HK$7,869 HKD
Retailer 12HK$10,251 HKD
Retailer 9HK$11,748 HKD
Retailer 6HK$14,241 HKD
Brilliant EarthHK$21,553 HKD

34 data points across 13 retailers

14 retailersHK$2,947 HKD to HK$21,553 HKD

A
Cheapest Retailer
-
HK$2,947 HKD
Retailer 2
-
HK$3,174 HKD
View
Price last confirmed 40 days ago
A
Retailer 3
-
HK$3,300 HKD
View
Retailer 4
-
HK$3,652 HKD
View
Price last confirmed 25 days ago
Retailer 5
-
HK$3,652 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$4,820 HKD
View
B+
Retailer 7
-
HK$5,831 HKD
View
B+
Retailer 8
-
HK$6,497 HKD
View
B+
Retailer 9
-
HK$6,536 HKD
View
B+
Retailer 10
-
HK$7,869 HKD
View
B
Retailer 11
-
HK$10,251 HKD
View
B
Retailer 12
-
HK$11,748 HKD
View
B
Retailer 13
-
HK$14,241 HKD
View
Most Expensive
B
Brilliant Earth
12460210A · Nov 4
HK$21,553 HKD
$2,750 USD
View
13 more retailers have this diamond
Prices start from HK$2,947 HKDSave up to HK$18,606 HKD

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
HK$2,947 HKD