CaratHunter
Plans
Round|Lab Grown|IGI

3.10ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG629431039

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629431039

Diamond specifications and retailer prices

From HK$9,712 HKD
CA$1,719 CAD
As of October 30, 2026
Save HK$3,132 HKD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$12,843 HKD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629431039 or 629431039. Listed at 2 retailers as of October 30, 2026, with prices from HK$9,712 to HK$12,843, a HK$3,132 spread on the same certified stone. The Diamond Guys lists it at HK$12,843. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629431039
Dimensions9.22 × 9.16 × 5.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.22 mm9.16 mm3.10 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629431039
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$4,237 HKD|Low: HK$1,946 HKD|High: HK$23,616 HKD|Avg: HK$10,836 HKD|-38.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 9, 2026
Retailer 9HK$2,008 HKD
Retailer 1HK$4,237 HKD
Retailer 8HK$4,299 HKD
Retailer 5HK$5,256 HKD
Retailer 12HK$6,016 HKD
Retailer 2HK$6,449 HKD
Retailer 7HK$7,822 HKD
Retailer 10HK$8,239 HKD
Retailer 6HK$8,489 HKD
Retailer 13HK$9,712 HKD
The Diamond GuysHK$12,843 HKD
Retailer 4HK$14,745 HKD
Retailer 11HK$17,574 HKD
Retailer 3HK$20,163 HKD

63 data points across 14 retailers

2 retailersHK$9,712 HKD to HK$12,843 HKD

B+
Cheapest Retailer
-
HK$9,712 HKD
CA$1,719 CAD
Most Expensive
B
The Diamond Guys
1954434480 · Nov 1
HK$12,843 HKD
$1,637 USD
View
1 more retailer has this diamond
Prices start from HK$9,712 HKDSave up to HK$3,132 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.

B+
3.10ct Round
HK$9,712 HKD