CaratHunter
Plans
Round|Lab Grown|IGI

3.00ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136521

Diamond specifications and retailer prices

From HK$13,180 HKD
As of November 5, 2026
Save HK$84,980 HKD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$98,159 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136521 or 485136521. Listed at 11 retailers as of November 5, 2026, with prices from HK$13,180 to HK$98,159, a HK$84,980 spread on the same certified stone. MOH London lists it at HK$98,159. 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

3.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136521
Dimensions9.31 × 9.24 × 5.53 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
9.31 mm9.24 mm3.00 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136521
Side View
Table 61.5%Crown 34.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.6%

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$98,159 HKD|Low: HK$13,180 HKD|High: HK$99,744 HKD|Avg: HK$55,661 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2HK$13,180 HKD
Retailer 4HK$41,697 HKD
Retailer 7HK$46,702 HKD
Retailer 5HK$48,374 HKD
Retailer 8HK$48,483 HKD
Retailer 9HK$51,763 HKD
Retailer 3HK$59,569 HKD
Retailer 6HK$74,718 HKD
MOH LondonHK$98,159 HKD

17 data points across 9 retailers

11 retailersHK$13,180 HKD to HK$98,159 HKD

A
Cheapest Retailer
-
HK$13,180 HKD
B+
Retailer 2
-
HK$41,697 HKD
View
B+
Retailer 3
-
HK$43,698 HKD
View
B+
Retailer 4
-
HK$46,702 HKD
View
Final sale: no returns
Retailer 5
-
HK$48,374 HKD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$48,374 HKD
View
B+
Retailer 7
-
HK$48,483 HKD
View
B
Retailer 8
-
HK$57,419 HKD
View
B
Retailer 9
-
HK$59,569 HKD
View
B
Retailer 10
-
HK$74,718 HKD
View
Most Expensive
B
MOH London
LG485136521 · Nov 5
HK$98,159 HKD
£9,852 GBP
View
10 more retailers have this diamond
Prices start from HK$13,180 HKDSave up to HK$84,980 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
3.00ct Round
HK$13,180 HKD