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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 $609 AUD
As of November 3, 2026
Save $890 AUD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,498 AUD 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 $609 to $1,498, a $890 spread on the same certified stone. MOH London lists it at $1,498. 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 3
Current: $1,498 AUD|Low: $421 AUD|High: $1,517 AUD|Avg: $837 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 7$421 AUD
Retailer 3$609 AUD
Retailer 6$611 AUD
Retailer 4$646 AUD
Retailer 2$709 AUD
Retailer 10$716 AUD
Retailer 5$722 AUD
Retailer 9$1,133 AUD
Retailer 8$1,277 AUD
MOH London$1,498 AUD

20 data points across 10 retailers

8 retailers$609 AUD to $1,498 AUD

Retailer 1
-
$421 AUD
Price last confirmed 61 days ago
A
Retailer 2
-
$609 AUD
View
A
Retailer 3
-
$611 AUD
View
B+
Retailer 4
-
$646 AUD
View
B+
Retailer 5
-
$709 AUD
View
B+
Retailer 6
-
$722 AUD
View
Retailer 7
-
$1,277 AUD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
LG728521477 · Nov 2
$1,498 AUD
£824 GBP
View
7 more retailers have this diamond
Prices start from $609 AUDSave up to $890 AUD

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
$609 AUD