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Round|Lab Grown|IGI

1.21ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG783646953

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783646953

Diamond specifications and retailer prices

From $281 AUD
As of November 3, 2026
Save $1,347 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,628 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 LG783646953 or 783646953. Listed at 17 retailers as of November 2, 2026, with prices from $281 to $1,628, a $1,347 spread on the same certified stone. MOH London lists it at $1,628. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783646953
Dimensions6.92 × 6.89 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.89 mm1.21 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783646953
Side View
Table 55.0%Crown 33.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.8%

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: $1,628 AUD|Low: $269 AUD|High: $1,648 AUD|Avg: $741 AUD|-1.1%
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
November 4, 2026
Retailer 9$281 AUD
Retailer 11$348 AUD
Retailer 13$348 AUD
Retailer 5$603 AUD
Retailer 12$607 AUD
Retailer 8$640 AUD
Retailer 2$680 AUD
Retailer 3$699 AUD
Retailer 7$725 AUD
Retailer 10$788 AUD
Retailer 6$1,123 AUD
Retailer 4$1,249 AUD
MOH London$1,628 AUD

39 data points across 13 retailers

17 retailers$281 AUD to $1,628 AUD

A
Cheapest Retailer
-
$281 AUD
A
Retailer 2
-
$325 AUD
View
A
Retailer 3
-
$348 AUD
View
Retailer 4
-
$348 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$603 AUD
View
A
Retailer 6
-
$607 AUD
View
B+
Retailer 7
-
$640 AUD
View
B+
Retailer 8
-
$680 AUD
View
B+
Retailer 9
-
$699 AUD
View
B+
Retailer 10
-
$725 AUD
View
B+
Retailer 11
-
$788 AUD
View
B
Retailer 12
-
$902 AUD
View
B
Retailer 13
-
$1,120 AUD
View
B
Retailer 14
-
$1,123 AUD
View
B
Retailer 15
-
$1,196 AUD
View
B
Retailer 16
-
$1,274 AUD
View
Most Expensive
B
MOH London
LG783646953 · Nov 2
$1,628 AUD
£895 GBP
View
16 more retailers have this diamond
Prices start from $281 AUDSave up to $1,347 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
$281 AUD