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1.81ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG478124679

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478124679

Diamond specifications and retailer prices

From HK$8,003 HKD
$1,020 USD
As of October 30, 2026
Save HK$29,004 HKD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$37,006 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478124679 or 478124679. Listed at 11 retailers as of October 29, 2026, with prices from HK$8,003 to HK$37,006, a HK$29,004 spread on the same certified stone. MOH London lists it at HK$37,006. 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

1.81
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478124679
Dimensions7.77 × 7.80 × 4.80 mm
L/W Ratio1.00
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
7.77 mm7.80 mm1.81 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478124679
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.7%

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: Oct 30
Current: HK$37,006 HKD|Low: HK$7,901 HKD|High: HK$37,256 HKD|Avg: HK$16,725 HKD|+0.5%
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
October 30, 2026
Retailer 2HK$8,003 HKD
Retailer 7HK$9,878 HKD
Retailer 11HK$10,749 HKD
Retailer 10HK$11,062 HKD
Retailer 8HK$11,455 HKD
Retailer 13HK$11,455 HKD
Retailer 6HK$13,332 HKD
Retailer 4HK$15,958 HKD
Retailer 9HK$18,147 HKD
Retailer 3HK$21,356 HKD
Retailer 12HK$21,474 HKD
Retailer 5HK$25,626 HKD
MOH LondonHK$37,006 HKD

23 data points across 13 retailers

11 retailersHK$8,003 HKD to HK$37,006 HKD

A
Cheapest Retailer
-
HK$8,003 HKD
$1,020 USD
B+
Retailer 2
-
HK$9,878 HKD
$1,259 USD
View
B+
Retailer 3
-
HK$10,749 HKD
$1,370 USD
View
B+
Retailer 4
-
HK$11,062 HKD
$1,410 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$11,455 HKD
$1,460 USD
View
Retailer 6
-
HK$11,455 HKD
$1,460 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
HK$13,332 HKD
£1,338 GBP
View
B
Retailer 8
-
HK$18,147 HKD
$2,313 USD
View
B
Retailer 9
-
HK$21,356 HKD
$2,722 USD
View
B
Retailer 10
-
HK$21,474 HKD
$2,737 USD
View
Most Expensive
B
MOH London
LG478124679 · Oct 29
HK$37,006 HKD
£3,714 GBP
View
10 more retailers have this diamond
Prices start from HK$8,003 HKDSave up to HK$29,004 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
1.81ct Round
HK$8,003 HKD