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Cushion|Lab Grown|IGI

1.51ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG820605268

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

Certificate IGI LG820605268

Diamond specifications and retailer prices

From $545 NZD
As of November 6, 2026
Save $2,901 NZD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,445 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG820605268 or 820605268. Listed at 16 retailers as of November 6, 2026, with prices from $545 to $3,445, a $2,901 spread on the same certified stone. Brilliant Earth lists it at $3,445. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820605268
Dimensions6.72 × 6.65 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm6.65 mm1.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820605268
Side View
Table 61.0%Crown 36.7°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
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: Nov 6
Current: $3,445 NZD|Low: $455 NZD|High: $3,445 NZD|Avg: $1,484 NZD|+1.6%
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
November 6, 2026
Retailer 11$545 NZD
Retailer 10$554 NZD
Retailer 9$844 NZD
Retailer 4$877 NZD
Retailer 2$878 NZD
Retailer 12$960 NZD
Retailer 3$1,111 NZD
Retailer 14$1,210 NZD
Retailer 15$1,405 NZD
Retailer 7$1,761 NZD
Retailer 8$2,037 NZD
Retailer 13$2,073 NZD
Retailer 5$2,111 NZD
Retailer 6$2,336 NZD
Retailer 16$2,417 NZD
Brilliant Earth$3,445 NZD

23 data points across 16 retailers

16 retailers$545 NZD to $3,445 NZD

A
Cheapest Retailer
-
$545 NZD
A
Retailer 2
-
$554 NZD
View
Final sale: no returns
A
Retailer 3
-
$844 NZD
View
A
Retailer 4
-
$877 NZD
View
A
Retailer 5
-
$878 NZD
View
A
Retailer 6
-
$960 NZD
View
A
Retailer 7
-
$1,111 NZD
View
A
Retailer 8
-
$1,210 NZD
View
B+
Retailer 9
-
$1,405 NZD
View
B+
Retailer 10
-
$1,761 NZD
View
Retailer 11
-
$2,037 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,073 NZD
View
B+
Retailer 13
-
$2,111 NZD
View
B
Retailer 14
-
$2,336 NZD
View
B
Retailer 15
-
$2,417 NZD
View
Most Expensive
B
Brilliant Earth
20897430A · Nov 6
$3,445 NZD
$1,910 USD
View
15 more retailers have this diamond
Prices start from $545 NZDSave up to $2,901 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
1.51ct Cushion
$545 NZD