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3.51ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG622474286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622474286

Diamond specifications and retailer prices

From HK$5,806 HKD
$740 USD
As of October 31, 2026
Save HK$15,238 HKD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$21,044 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct lab-grown round diamond

This 3.51ct 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 LG622474286 or 622474286. Listed at 10 retailers as of October 29, 2026, with prices from HK$5,806 to HK$21,044, a HK$15,238 spread on the same certified stone. MOH London lists it at HK$21,044. 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

3.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622474286
Dimensions9.80 × 9.76 × 5.83 mm
L/W Ratio1.00
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
9.80 mm9.76 mm3.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622474286
Side View
Table 62.0%Crown 35.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.7%

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: Oct 31
Current: HK$21,044 HKD|Low: HK$2,801 HKD|High: HK$21,184 HKD|Avg: HK$10,831 HKD|-0.7%
MOH London
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
October 31, 2026
Retailer 3HK$2,801 HKD
Retailer 7HK$4,992 HKD
Retailer 10HK$5,013 HKD
Retailer 12HK$5,806 HKD
Retailer 2HK$7,680 HKD
Retailer 15HK$7,775 HKD
Retailer 9HK$7,838 HKD
Retailer 5HK$8,105 HKD
Retailer 11HK$12,938 HKD
Retailer 8HK$13,189 HKD
Retailer 4HK$15,092 HKD
Retailer 14HK$16,312 HKD
Retailer 6HK$17,046 HKD
Retailer 13HK$18,461 HKD
MOH LondonHK$21,044 HKD

23 data points across 15 retailers

10 retailersHK$5,806 HKD to HK$21,044 HKD

Retailer 1
-
HK$5,013 HKD
$639 USD
Price last confirmed 15 days ago
A
Retailer 2
-
HK$5,806 HKD
$740 USD
View
A
Retailer 3
-
HK$7,680 HKD
£771 GBP
View
B+
Retailer 4
-
HK$7,775 HKD
$991 USD
View
A
Retailer 5
-
HK$7,838 HKD
£787 GBP
View
B
Retailer 6
-
HK$12,938 HKD
$1,649 USD
View
B
Retailer 7
-
HK$13,189 HKD
$1,681 USD
View
B
Retailer 8
-
HK$16,312 HKD
$2,079 USD
View
B
Retailer 9
-
HK$18,461 HKD
$2,353 USD
View
Most Expensive
B
MOH London
LG622474286 · Oct 29
HK$21,044 HKD
£2,112 GBP
View
9 more retailers have this diamond
Prices start from HK$5,806 HKDSave up to HK$15,238 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
3.51ct Round
HK$5,806 HKD