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Cushion|Lab Grown|IGI

1.21ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG783670528

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG783670528

Diamond specifications and retailer prices

From $446 NZD
$251 USD
As of November 1, 2026
Save $1,740 NZD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,186 NZD at Brilliant Earth · As of November 1, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783670528 or 783670528. Listed at 16 retailers as of November 1, 2026, with prices from $446 to $2,186, a $1,740 spread on the same certified stone. Brilliant Earth lists it at $2,186. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783670528
Dimensions6.16 × 6.10 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.16 mm6.10 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783670528
Side View
Table 61.0%Crown 35.2°Girdle: STK-THKPavilion 40°Culet: NoneDepth 68.0%

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 1
Current: $2,186 NZD|Low: $386 NZD|High: $2,826 NZD|Avg: $1,267 NZD|-22.6%
Brilliant Earth
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
November 2, 2026
Retailer 13$446 NZD
Retailer 11$561 NZD
Retailer 15$713 NZD
Retailer 14$740 NZD
Retailer 5$750 NZD
Retailer 12$783 NZD
Retailer 4$892 NZD
Retailer 16$999 NZD
Retailer 10$1,045 NZD
Retailer 2$1,132 NZD
Retailer 17$1,385 NZD
Retailer 3$1,440 NZD
Retailer 6$1,474 NZD
Retailer 7$2,091 NZD
Retailer 8$2,106 NZD
Retailer 9$2,167 NZD
Brilliant Earth$2,186 NZD

19 data points across 17 retailers

16 retailers$446 NZD to $2,186 NZD

A
Cheapest Retailer
-
$446 NZD
$251 USD
Final sale: no returns
A
Retailer 2
-
$561 NZD
£248 GBP
View
A
Retailer 3
-
$713 NZD
€382 EUR
View
A
Retailer 4
-
$740 NZD
ZAR 6,729 ZAR
View
A
Retailer 5
-
$750 NZD
$422 USD
View
A
Retailer 6
-
$783 NZD
£347 GBP
View
A
Retailer 7
-
$892 NZD
$502 USD
View
B+
Retailer 8
-
$999 NZD
$562 USD
View
B+
Retailer 9
-
$1,045 NZD
A$905 AUD
View
Retailer 10
-
$1,132 NZD
$637 USD
View
B+
Retailer 11
-
$1,385 NZD
A$1,199 AUD
View
B+
Retailer 12
-
$1,440 NZD
$810 USD
View
B+
Retailer 13
-
$1,474 NZD
$829 USD
View
B
Retailer 14
-
$2,091 NZD
$1,176 USD
View
B
Retailer 15
-
$2,106 NZD
£933 GBP
View
Most Expensive
B
Brilliant Earth
18445219A · Nov 1
$2,186 NZD
$1,230 USD
View
15 more retailers have this diamond
Prices start from $446 NZDSave up to $1,740 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
$446 NZD