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Round|Lab Grown|IGI

1.21ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG811646784

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646784

Diamond specifications and retailer prices

From $289 AUD
As of November 3, 2026
Save $1,384 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,673 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 LG811646784 or 811646784. Listed at 16 retailers as of November 2, 2026, with prices from $289 to $1,673, a $1,384 spread on the same certified stone. MOH London lists it at $1,673. 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 angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646784
Dimensions6.84 × 6.77 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.77 mm1.21 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646784
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

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: Nov 3
Current: $1,673 AUD|Low: $278 AUD|High: $1,693 AUD|Avg: $826 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 7$289 AUD
Retailer 9$358 AUD
Retailer 3$606 AUD
Retailer 10$620 AUD
Retailer 6$656 AUD
Retailer 2$687 AUD
Retailer 11$707 AUD
Retailer 8$788 AUD
Retailer 5$1,154 AUD
Retailer 4$1,226 AUD
Retailer 12$1,290 AUD
MOH London$1,673 AUD

24 data points across 12 retailers

16 retailers$289 AUD to $1,673 AUD

A
Cheapest Retailer
-
$289 AUD
A
Retailer 2
-
$335 AUD
View
Retailer 3
-
$358 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$358 AUD
View
A
Retailer 5
-
$606 AUD
View
A
Retailer 6
-
$620 AUD
View
B+
Retailer 7
-
$656 AUD
View
B+
Retailer 8
-
$687 AUD
View
B+
Retailer 9
-
$707 AUD
View
B+
Retailer 10
-
$788 AUD
View
B+
Retailer 11
-
$931 AUD
View
B
Retailer 12
-
$1,150 AUD
View
B
Retailer 13
-
$1,154 AUD
View
B
Retailer 14
-
$1,226 AUD
View
B
Retailer 15
-
$1,316 AUD
View
Most Expensive
B
MOH London
LG811646784 · Nov 2
$1,673 AUD
£920 GBP
View
15 more retailers have this diamond
Prices start from $289 AUDSave up to $1,384 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
$289 AUD