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Cushion|Lab Grown|IGI

1.21ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG830658016

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG830658016

Diamond specifications and retailer prices

From $615 NZD
As of November 5, 2026
Save $2,110 NZD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,276 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830658016 or 830658016. Listed at 13 retailers as of November 5, 2026, with a 343% 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

1.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830658016
Dimensions7.06 × 5.67 × 3.67 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.06 mm5.67 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830658016
Side View
Table 63.0%Crown 36°Girdle: MED-STKPavilion 44.3°Culet: LargeDepth 64.7%

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 5
Current: $615 NZD|Low: $615 NZD|High: $3,270 NZD|Avg: $1,474 NZD|-17.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 1$615 NZD
Retailer 4$683 NZD
Retailer 3$916 NZD
Retailer 11$961 NZD
Retailer 10$1,090 NZD
Retailer 12$1,099 NZD
Retailer 9$1,176 NZD
Retailer 5$1,203 NZD
Retailer 7$1,678 NZD
Retailer 8$1,701 NZD
Retailer 2$2,275 NZD
Retailer 6$2,725 NZD

41 data points across 12 retailers

13 retailers$615 NZD to $2,725 NZD

A
Cheapest Retailer
-
$615 NZD
Final sale: no returns
Retailer 2
-
$683 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$916 NZD
View
A
Retailer 4
-
$961 NZD
View
B+
Retailer 5
-
$1,090 NZD
View
B+
Retailer 6
-
$1,099 NZD
View
B+
Retailer 7
-
$1,176 NZD
View
B+
Retailer 8
-
$1,203 NZD
View
B+
Retailer 9
-
$1,678 NZD
View
B
Retailer 10
-
$1,701 NZD
View
B
Retailer 11
-
$2,275 NZD
View
B
Retailer 12
-
$2,725 NZD
View
Most Expensive
Queensmith
LG830658016 · Oct 27
$3,276 NZD
£1,450 GBP
View
Price last confirmed 9 days ago
12 more retailers have this diamond
Prices start from $615 NZDSave up to $2,110 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
1.21ct Cushion
$615 NZD