Round|Lab Grown|IGI

1.21ct H VS2 Round Lab Grown Diamond

EX • H/VS2 • IGI LG728521477

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728521477

Diamond specifications and retailer prices

From HK$3,345 HKD
€406 EUR
As of November 2, 2026
Save HK$4,866 HKD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$8,211 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG728521477 or 728521477. Listed at 8 retailers as of November 2, 2026, with prices from HK$3,345 to HK$8,211, a HK$4,866 spread on the same certified stone. MOH London lists it at HK$8,211. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728521477
Dimensions6.79 × 6.76 × 4.25 mm
L/W Ratio1.00
Culet sizePointed
Top View
6.79 mm6.76 mm1.21 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728521477
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 2
Current: HK$8,211 HKD|Low: HK$2,310 HKD|High: HK$8,310 HKD|Avg: HK$4,588 HKD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7HK$2,310 HKD
Retailer 2HK$3,345 HKD
Retailer 6HK$3,350 HKD
Retailer 4HK$3,539 HKD
Retailer 10HK$3,923 HKD
Retailer 5HK$3,954 HKD
Retailer 3HK$4,041 HKD
Retailer 9HK$6,208 HKD
Retailer 8HK$7,006 HKD
MOH LondonHK$8,211 HKD

18 data points across 10 retailers

8 retailersHK$3,345 HKD to HK$8,211 HKD

Retailer 1
-
HK$2,310 HKD
Price last confirmed 60 days ago
A
Retailer 2
-
HK$3,345 HKD
€406 EUR
View
A
Retailer 3
-
HK$3,350 HKD
$427 USD
View
B+
Retailer 4
-
HK$3,539 HKD
$451 USD
View
B+
Retailer 5
-
HK$3,954 HKD
$504 USD
View
B+
Retailer 6
-
HK$4,041 HKD
$515 USD
View
Retailer 7
-
HK$7,006 HKD
$893 USD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG728521477 · Nov 2
HK$8,211 HKD
£824 GBP
View
7 more retailers have this diamond
Prices start from HK$3,345 HKDSave up to HK$4,866 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
1.21ct Round
HK$3,345 HKD