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Round|Lab Grown|IGI

1.20ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG400912172

Shape and cutting style on the report: Round brilliant

Certificate IGI LG400912172

Diamond specifications and retailer prices

From HK$5,335 HKD
$680 USD
As of October 30, 2026
Save HK$30,635 HKD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$35,970 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG400912172 or 400912172. Listed at 12 retailers as of October 29, 2026, with prices from HK$5,335 to HK$35,970, a HK$30,635 spread on the same certified stone. MOH London lists it at HK$35,970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400912172
Dimensions6.90 × 6.86 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.90 mm6.86 mm1.20 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG400912172
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.3%

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$35,970 HKD|Low: HK$5,335 HKD|High: HK$36,249 HKD|Avg: HK$16,461 HKD|+0.6%
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$5,335 HKD
Retailer 7HK$9,595 HKD
Retailer 11HK$10,749 HKD
Retailer 8HK$11,133 HKD
Retailer 10HK$11,133 HKD
Retailer 12HK$12,475 HKD
Retailer 4HK$12,888 HKD
Retailer 13HK$15,613 HKD
Retailer 9HK$17,661 HKD
Retailer 6HK$19,054 HKD
Retailer 3HK$21,332 HKD
Retailer 5HK$24,917 HKD
MOH LondonHK$35,970 HKD

21 data points across 13 retailers

12 retailersHK$5,335 HKD to HK$35,970 HKD

A
Cheapest Retailer
-
HK$5,335 HKD
$680 USD
B+
Retailer 2
-
HK$9,595 HKD
$1,223 USD
View
B+
Retailer 3
-
HK$10,443 HKD
$1,331 USD
View
B+
Retailer 4
-
HK$10,749 HKD
$1,370 USD
View
Final sale: no returns
Retailer 5
-
HK$11,133 HKD
$1,419 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$11,133 HKD
$1,419 USD
View
B+
Retailer 7
-
HK$12,475 HKD
$1,590 USD
View
B
Retailer 8
-
HK$17,661 HKD
$2,251 USD
View
B
Retailer 9
-
HK$19,054 HKD
€2,313 EUR
View
B
Retailer 10
-
HK$20,870 HKD
$2,660 USD
View
B
Retailer 11
-
HK$21,332 HKD
$2,719 USD
View
Most Expensive
B
MOH London
LG400912172 · Oct 29
HK$35,970 HKD
£3,610 GBP
View
11 more retailers have this diamond
Prices start from HK$5,335 HKDSave up to HK$30,635 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
1.20ct Round
HK$5,335 HKD