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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 $404 NZD
As of November 4, 2026
Save $1,599 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,231 NZD 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 4, 2026, with a 396% 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: $3,231 NZD|Low: $292 NZD|High: $3,231 NZD|Avg: $1,061 NZD
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
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Retailer 20
November 5, 2026
Retailer 20$292 NZD
Retailer 7$338 NZD
Retailer 8$358 NZD
Retailer 10$377 NZD
Retailer 9$382 NZD
Retailer 4$656 NZD
Retailer 16$662 NZD
Retailer 17$728 NZD
Retailer 14$806 NZD
Retailer 18$852 NZD
Retailer 12$866 NZD
Retailer 6$952 NZD
Retailer 13$1,226 NZD
Retailer 11$1,236 NZD
Retailer 3$1,309 NZD
Retailer 5$1,322 NZD
Retailer 15$1,617 NZD
Retailer 2$2,003 NZD
Retailer 19$2,384 NZD
Queensmith$3,231 NZD

28 data points across 20 retailers

15 retailers$404 NZD to $2,003 NZD

Retailer 1
-
$292 NZD
Price last confirmed 35 days ago
Retailer 2
-
$358 NZD
View
Price last confirmed 40 days ago
Retailer 3
-
$372 NZD
View
Price last confirmed 37 days ago
Retailer 4
-
$377 NZD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$404 NZD
View
A
Retailer 6
-
$728 NZD
View
A
Retailer 7
-
$806 NZD
View
A
Retailer 8
-
$852 NZD
View
Retailer 9
-
$1,213 NZD
View
Price last confirmed 37 days ago
B+
Retailer 10
-
$1,226 NZD
View
Retailer 11
-
$1,322 NZD
View
Price last confirmed 37 days ago
B
Retailer 12
-
$1,617 NZD
View
B
Retailer 13
-
$2,003 NZD
View
Retailer 14
-
$2,384 NZD
View
Price last confirmed 34 days ago
Most Expensive
Queensmith
LG831658343 · Oct 2
$3,231 NZD
£1,430 GBP
View
Price last confirmed 34 days ago
14 more retailers have this diamond
Prices start from $404 NZDSave up to $1,599 NZD

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
$404 NZD