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Round|Lab Grown|IGI

1.83ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG436074660

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074660

Diamond specifications and retailer prices

From HK$8,081 HKD
$1,030 USD
As of October 30, 2026
Save HK$13,628 HKD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$37,405 HKD at MOH London · As of October 21, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct 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 LG436074660 or 436074660. Listed at 10 retailers as of October 30, 2026, with a 169% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.83
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074660
Dimensions7.84 × 7.90 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.84 mm7.90 mm1.83 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074660
Side View
Table 58.0%Crown 31.7°GirdlePavilion 40.9°Culet: NoneDepth 60.7%

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$37,405 HKD|Low: HK$8,081 HKD|High: HK$37,654 HKD|Avg: HK$19,624 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2HK$8,081 HKD
Retailer 4HK$11,180 HKD
Retailer 6HK$16,107 HKD
Retailer 3HK$18,335 HKD
Retailer 5HK$21,584 HKD
Retailer 7HK$25,901 HKD
MOH LondonHK$37,405 HKD

10 data points across 7 retailers

10 retailersHK$8,081 HKD to HK$21,709 HKD

A
Cheapest Retailer
-
HK$8,081 HKD
$1,030 USD
B+
Retailer 2
-
HK$9,988 HKD
$1,273 USD
View
B+
Retailer 3
-
HK$10,866 HKD
$1,385 USD
View
B+
Retailer 4
-
HK$11,180 HKD
$1,425 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$11,580 HKD
$1,476 USD
View
Retailer 6
-
HK$11,580 HKD
$1,476 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$18,335 HKD
$2,337 USD
View
B
Retailer 8
-
HK$21,584 HKD
$2,751 USD
View
B
Retailer 9
-
HK$21,709 HKD
$2,767 USD
View
Most Expensive
MOH London
LG436074660 · Oct 21
HK$37,405 HKD
£3,754 GBP
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from HK$8,081 HKDSave up to HK$13,628 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
1.83ct Round
HK$8,081 HKD