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Cushion|Lab Grown|IGI

1.21ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG831697763

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831697763

Diamond specifications and retailer prices

From $406 NZD
As of November 4, 2026
Save $1,729 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,135 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG831697763 or 831697763. Listed at 14 retailers as of November 4, 2026, with prices from $406 to $2,135, a $1,729 spread on the same certified stone. Brilliant Earth lists it at $2,135. 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 angle32.7°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831697763
Dimensions7.91 × 5.17 × 3.60 mm
L/W Ratio1.53
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.91 mm5.17 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831697763
Side View
Table 56.0%Crown 32.7°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 69.6%

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: $507 NZD|Low: $388 NZD|High: $2,096 NZD|Avg: $1,054 NZD|-12.8%
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 11$406 NZD
Retailer 1$507 NZD
Retailer 10$747 NZD
Retailer 9$774 NZD
Retailer 12$777 NZD
Retailer 5$815 NZD
Retailer 2$1,034 NZD
Retailer 8$1,092 NZD
Retailer 7$1,167 NZD
Retailer 3$1,468 NZD
Retailer 4$1,537 NZD
Retailer 6$2,092 NZD

17 data points across 12 retailers

14 retailers$406 NZD to $2,135 NZD

A
Cheapest Retailer
-
$406 NZD
Final sale: no returns
A
Retailer 2
-
$507 NZD
View
A
Retailer 3
-
$747 NZD
View
A
Retailer 4
-
$774 NZD
View
A
Retailer 5
-
$777 NZD
View
A
Retailer 6
-
$815 NZD
View
B+
Retailer 7
-
$1,034 NZD
View
B+
Retailer 8
-
$1,092 NZD
View
B+
Retailer 9
-
$1,167 NZD
View
B+
Retailer 10
-
$1,468 NZD
View
B+
Retailer 11
-
$1,537 NZD
View
Retailer 12
-
$1,690 NZD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$2,092 NZD
View
Most Expensive
B
Brilliant Earth
22209424A · Nov 4
$2,135 NZD
$1,200 USD
View
13 more retailers have this diamond
Prices start from $406 NZDSave up to $1,729 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
$406 NZD