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Round|Lab Grown|IGI

3.10ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG666443721

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666443721

Diamond specifications and retailer prices

From HK$2,871 HKD
As of November 5, 2026
Save HK$14,270 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$17,142 HKD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG666443721 or 666443721. Listed at 15 retailers as of November 4, 2026, with prices from HK$2,871 to HK$17,142, a HK$14,270 spread on the same certified stone. Rare Carat lists it at HK$17,142. 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

3.10
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666443721
Dimensions9.37 × 9.40 × 5.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.37 mm9.40 mm3.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666443721
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$17,142 HKD|Low: HK$2,871 HKD|High: HK$35,884 HKD|Avg: HK$10,450 HKD|-11.8%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 13HK$2,871 HKD
Retailer 7HK$3,334 HKD
Retailer 6HK$3,562 HKD
Retailer 17HK$3,915 HKD
Retailer 2HK$4,723 HKD
Retailer 14HK$4,746 HKD
Retailer 15HK$5,680 HKD
Retailer 4HK$5,696 HKD
Retailer 16HK$6,049 HKD
Retailer 11HK$6,347 HKD
Retailer 3HK$8,818 HKD
Retailer 12HK$10,450 HKD
Retailer 5HK$11,454 HKD
Retailer 10HK$13,878 HKD
Rare CaratHK$17,142 HKD
Retailer 9HK$27,772 HKD
Retailer 8HK$35,884 HKD

10 data points across 17 retailers

15 retailersHK$2,871 HKD to HK$17,142 HKD

A
Cheapest Retailer
-
HK$2,871 HKD
A
Retailer 2
-
HK$3,334 HKD
View
A
Retailer 3
-
HK$3,562 HKD
View
A
Retailer 4
-
HK$3,915 HKD
View
A
Retailer 5
-
HK$4,723 HKD
View
A
Retailer 6
-
HK$4,746 HKD
View
Retailer 7
-
HK$5,680 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$5,696 HKD
View
A
Retailer 9
-
HK$6,049 HKD
View
A
Retailer 10
-
HK$6,347 HKD
View
B+
Retailer 11
-
HK$8,818 HKD
View
B+
Retailer 12
-
HK$10,450 HKD
View
B
Retailer 13
-
HK$11,454 HKD
View
B
Retailer 14
-
HK$13,878 HKD
View
Most Expensive
B
Rare Carat
KI7214437KF666 · Nov 4
HK$17,142 HKD
$2,185 USD
View
14 more retailers have this diamond
Prices start from HK$2,871 HKDSave up to HK$14,270 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
3.10ct Round
HK$2,871 HKD