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Round|Lab Grown|IGI

1.26ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492122422

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122422

Diamond specifications and retailer prices

From HK$5,570 HKD
As of November 5, 2026
Save HK$16,326 HKD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$37,582 HKD at MOH London · As of October 27, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492122422 or 492122422. Listed at 12 retailers as of November 5, 2026, with a 293% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122422
Dimensions7.07 × 7.09 × 4.16 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
7.07 mm7.09 mm1.26 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122422
Side View
Table 58.5%Crown 32.9°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 58.7%

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: Nov 5
Current: HK$37,582 HKD|Low: HK$5,570 HKD|High: HK$38,040 HKD|Avg: HK$16,560 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 4HK$5,570 HKD
Retailer 5HK$10,073 HKD
Retailer 9HK$11,281 HKD
Retailer 6HK$11,682 HKD
Retailer 8HK$11,682 HKD
Retailer 10HK$13,023 HKD
Retailer 11HK$16,051 HKD
Retailer 7HK$18,491 HKD
Retailer 2HK$21,488 HKD
Retailer 3HK$21,778 HKD
MOH LondonHK$37,582 HKD

20 data points across 11 retailers

12 retailersHK$5,570 HKD to HK$21,896 HKD

A
Cheapest Retailer
-
HK$5,570 HKD
B+
Retailer 2
-
HK$10,073 HKD
View
B+
Retailer 3
-
HK$10,960 HKD
View
B+
Retailer 4
-
HK$11,281 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$11,682 HKD
View
Retailer 6
-
HK$11,682 HKD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
HK$13,023 HKD
View
B
Retailer 8
-
HK$18,491 HKD
View
B
Retailer 9
-
HK$21,488 HKD
View
B
Retailer 10
-
HK$21,778 HKD
View
B
Retailer 11
-
HK$21,896 HKD
View
Most Expensive
MOH London
LG492122422 · Oct 27
HK$37,582 HKD
£3,772 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from HK$5,570 HKDSave up to HK$16,326 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
1.26ct Round
HK$5,570 HKD