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2.91ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG485161730

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161730

Diamond specifications and retailer prices

From HK$19,856 HKD
As of November 5, 2026
Save HK$41,658 HKD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$61,514 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 2.91ct lab-grown round diamond

This 2.91ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161730 or 485161730. Listed at 10 retailers as of November 5, 2026, with prices from HK$19,856 to HK$61,514, a HK$41,658 spread on the same certified stone. MOH London lists it at HK$61,514. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161730
Dimensions9.09 × 9.13 × 5.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.09 mm9.13 mm2.91 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161730
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.2%

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$61,514 HKD|Low: HK$19,064 HKD|High: HK$62,510 HKD|Avg: HK$31,449 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5HK$19,856 HKD
Retailer 2HK$22,351 HKD
Retailer 6HK$23,034 HKD
Retailer 8HK$23,034 HKD
Retailer 3HK$23,065 HKD
Retailer 9HK$28,305 HKD
Retailer 4HK$33,805 HKD
Retailer 7HK$35,892 HKD
MOH LondonHK$61,514 HKD

40 data points across 9 retailers

10 retailersHK$19,856 HKD to HK$61,514 HKD

A
Cheapest Retailer
-
HK$19,856 HKD
A
Retailer 2
-
HK$21,606 HKD
View
A
Retailer 3
-
HK$22,351 HKD
View
Retailer 4
-
HK$23,034 HKD
View
Price last confirmed 25 days ago
A
Retailer 5
-
HK$23,034 HKD
View
A
Retailer 6
-
HK$23,065 HKD
View
B
Retailer 7
-
HK$31,663 HKD
View
B
Retailer 8
-
HK$33,805 HKD
View
B
Retailer 9
-
HK$35,892 HKD
View
Most Expensive
B
MOH London
LG485161730 · Nov 5
HK$61,514 HKD
£6,174 GBP
View
9 more retailers have this diamond
Prices start from HK$19,856 HKDSave up to HK$41,658 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$19,856 HKD