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Cushion|Lab Grown|IGI

1.21ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG808635658

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

Certificate IGI LG808635658

Diamond specifications and retailer prices

From $770 NZD
As of October 31, 2026
Save $2,218 NZD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,989 NZD at Brilliant Earth · As of November 5, 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 LG808635658 or 808635658. Listed at 10 retailers as of October 31, 2026, with prices from $770 to $2,989, a $2,218 spread on the same certified stone. Brilliant Earth lists it at $2,989. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808635658
Dimensions6.25 × 6.08 × 4.15 mm
L/W Ratio1.03
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
6.25 mm6.08 mm1.21 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808635658
Side View
Table 60.0%Crown 34.4°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,989 NZD|Low: $752 NZD|High: $2,989 NZD|Avg: $1,432 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$770 NZD
Retailer 7$806 NZD
Retailer 2$857 NZD
Retailer 6$1,039 NZD
Retailer 4$1,258 NZD
Retailer 8$1,599 NZD
Retailer 9$1,754 NZD
Retailer 3$1,870 NZD
Brilliant Earth$2,989 NZD

45 data points across 9 retailers

10 retailers$770 NZD to $2,989 NZD

A
Cheapest Retailer
-
$770 NZD
A
Retailer 2
-
$806 NZD
View
A
Retailer 3
-
$857 NZD
View
B+
Retailer 4
-
$1,039 NZD
View
B+
Retailer 5
-
$1,258 NZD
View
B
Retailer 6
-
$1,599 NZD
View
Retailer 7
-
$1,754 NZD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$1,870 NZD
View
Retailer 9
-
$2,074 NZD
View
Price last confirmed 115 days ago
Most Expensive
B
Brilliant Earth
20998111A · Nov 5
$2,989 NZD
$1,680 USD
View
9 more retailers have this diamond
Prices start from $770 NZDSave up to $2,218 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
$770 NZD