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Round|Lab Grown|IGI

2.91ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG629499970

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629499970

Diamond specifications and retailer prices

From HK$2,816 HKD
As of November 5, 2026
Save HK$10,811 HKD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$24,869 HKD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 2.91ct lab-grown round diamond

This 2.91ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629499970 or 629499970. Listed at 15 retailers as of November 5, 2026, with a 384% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.91
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629499970
Dimensions9.26 × 9.20 × 5.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.26 mm9.20 mm2.91 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629499970
Side View
Table 62.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.2%

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 5
Current: HK$24,869 HKD|Low: HK$2,707 HKD|High: HK$24,869 HKD|Avg: HK$7,840 HKD
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
Retailer 14
November 6, 2026
Retailer 10HK$2,816 HKD
Retailer 11HK$3,271 HKD
Retailer 5HK$3,499 HKD
Retailer 7HK$3,499 HKD
Retailer 2HK$5,123 HKD
Retailer 6HK$5,609 HKD
Retailer 13HK$5,798 HKD
Retailer 4HK$5,837 HKD
Retailer 8HK$6,182 HKD
Retailer 14HK$10,254 HKD
Retailer 9HK$11,242 HKD
Retailer 3HK$12,748 HKD
Retailer 12HK$13,627 HKD
Brilliant EarthHK$24,869 HKD

37 data points across 14 retailers

15 retailersHK$2,816 HKD to HK$13,627 HKD

A
Cheapest Retailer
-
HK$2,816 HKD
A
Retailer 2
-
HK$3,271 HKD
View
Retailer 3
-
HK$3,499 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$3,499 HKD
View
A
Retailer 5
-
HK$5,123 HKD
View
B+
Retailer 6
-
HK$5,609 HKD
View
A
Retailer 7
-
HK$5,798 HKD
View
A
Retailer 8
-
HK$5,931 HKD
View
A
Retailer 9
-
HK$6,182 HKD
View
B+
Retailer 10
-
HK$7,021 HKD
View
B
Retailer 11
-
HK$10,254 HKD
View
B+
Retailer 12
-
HK$11,242 HKD
View
B
Retailer 13
-
HK$12,748 HKD
View
B
Retailer 14
-
HK$13,627 HKD
View
Most Expensive
Brilliant Earth
15806241A · Oct 18
HK$24,869 HKD
$3,170 USD
View
Price last confirmed 18 days ago
14 more retailers have this diamond
Prices start from HK$2,816 HKDSave up to HK$10,811 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
2.91ct Round
HK$2,816 HKD