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1.83ct J I1 Round Lab Grown Diamond

ID • J/I1 • IGI LG490190993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490190993

Diamond specifications and retailer prices

From HK$7,806 HKD
$995 USD
As of November 1, 2026
Save HK$23,072 HKD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$30,879 HKD at MOH London · As of October 29, 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 I1 clarity (included), with a top-tier cut grade and certified by IGI LG490190993 or 490190993. Listed at 8 retailers as of October 29, 2026, with prices from HK$7,806 to HK$30,879, a HK$23,072 spread on the same certified stone. MOH London lists it at HK$30,879. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
J
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490190993
Dimensions7.97 × 7.99 × 4.74 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
7.97 mm7.99 mm1.83 ctJ / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490190993
Side View
Table 57.5%Crown 33°GirdlePavilion 40.2°Culet: NoneDepth 59.4%

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: Nov 1
Current: HK$30,879 HKD|Low: HK$7,493 HKD|High: HK$31,088 HKD|Avg: HK$13,801 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3HK$7,806 HKD
Retailer 6HK$8,497 HKD
Retailer 4HK$9,054 HKD
Retailer 8HK$9,054 HKD
Retailer 9HK$13,298 HKD
Retailer 5HK$14,467 HKD
Retailer 7HK$16,978 HKD
Retailer 2HK$19,520 HKD
MOH LondonHK$30,879 HKD

13 data points across 9 retailers

8 retailersHK$7,806 HKD to HK$30,879 HKD

B+
Cheapest Retailer
-
HK$7,806 HKD
$995 USD
B+
Retailer 2
-
HK$8,497 HKD
$1,083 USD
View
B+
Retailer 3
-
HK$9,054 HKD
$1,154 USD
View
Retailer 4
-
HK$9,054 HKD
$1,154 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
HK$14,467 HKD
$1,844 USD
View
B
Retailer 6
-
HK$16,978 HKD
$2,164 USD
View
B
Retailer 7
-
HK$19,520 HKD
$2,488 USD
View
Most Expensive
B
MOH London
LG490190993 · Oct 29
HK$30,879 HKD
£3,099 GBP
View
7 more retailers have this diamond
Prices start from HK$7,806 HKDSave up to HK$23,072 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+
1.83ct Round
HK$7,806 HKD