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Radiant|Lab Grown|IGI

1.20ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG831658343

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG831658343

Diamond specifications and retailer prices

From $324 AUD
As of November 4, 2026
Save $1,286 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,589 AUD at Queensmith · As of October 2, 2026
View at Queensmith

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831658343 or 831658343. Listed at 15 retailers as of November 1, 2026, with a 397% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831658343
Dimensions7.38 × 5.29 × 3.48 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm5.29 mm1.20 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831658343
Side View
Table 68.0%Crown 45.5°Girdle: MediumPavilion 33.8°Culet: NoneDepth 65.8%

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 4
Current: $2,589 AUD|Low: $234 AUD|High: $2,589 AUD|Avg: $854 AUD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 3, 2026
Retailer 20$234 AUD
Retailer 7$271 AUD
Retailer 8$287 AUD
Retailer 10$302 AUD
Retailer 9$306 AUD
Retailer 4$526 AUD
Retailer 16$530 AUD
Retailer 17$583 AUD
Retailer 14$646 AUD
Retailer 18$683 AUD
Retailer 12$694 AUD
Retailer 6$763 AUD
Retailer 2$982 AUD
Retailer 11$991 AUD
Retailer 3$1,049 AUD
Retailer 5$1,059 AUD
Retailer 15$1,296 AUD
Retailer 13$1,609 AUD
Retailer 19$1,910 AUD
Queensmith$2,589 AUD

29 data points across 20 retailers

15 retailers$324 AUD to $1,609 AUD

Retailer 1
-
$234 AUD
Price last confirmed 33 days ago
Retailer 2
-
$287 AUD
View
Price last confirmed 38 days ago
Retailer 3
-
$298 AUD
View
Price last confirmed 35 days ago
Retailer 4
-
$302 AUD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$324 AUD
View
A
Retailer 6
-
$583 AUD
View
A
Retailer 7
-
$646 AUD
View
A
Retailer 8
-
$683 AUD
View
Retailer 9
-
$972 AUD
View
Price last confirmed 35 days ago
B+
Retailer 10
-
$982 AUD
View
Retailer 11
-
$1,059 AUD
View
Price last confirmed 35 days ago
B
Retailer 12
-
$1,296 AUD
View
B
Retailer 13
-
$1,609 AUD
View
Retailer 14
-
$1,910 AUD
View
Price last confirmed 32 days ago
Most Expensive
Queensmith
LG831658343 · Oct 2
$2,589 AUD
£1,430 GBP
View
Price last confirmed 33 days ago
14 more retailers have this diamond
Prices start from $324 AUDSave up to $1,286 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
1.20ct Radiant
$324 AUD