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Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG665408877

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665408877

Diamond specifications and retailer prices

From $1,687 NZD
As of November 3, 2026
17 retailers carry this diamond
Most expensive: $3,903 NZD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665408877 or 665408877. Listed at 17 retailers as of November 3, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408877
Dimensions7.91 × 6.24 × 4.20 mm
L/W Ratio1.27
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
7.91 mm6.24 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408877
Side View
Table 61.0%Crown 37.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $3,903 NZD|Low: $470 NZD|High: $3,903 NZD|Avg: $1,405 NZD
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
October 27, 2026
Retailer 10$472 NZD
Retailer 17$525 NZD
Retailer 3$885 NZD
Retailer 13$887 NZD
Retailer 15$972 NZD
Retailer 2$981 NZD
Retailer 11$986 NZD
Retailer 12$1,222 NZD
Retailer 16$1,375 NZD
Retailer 9$1,653 NZD
Retailer 6$1,778 NZD
Retailer 7$1,864 NZD
Retailer 14$1,960 NZD
Retailer 8$1,992 NZD
Retailer 5$2,106 NZD
Retailer 4$2,335 NZD
Brilliant Earth$3,903 NZD

37 data points across 17 retailers

17 retailers

Retailer 1
-
$525 NZD
Price last confirmed 11 days ago
Retailer 2
-
$885 NZD
View
Price last confirmed 10 days ago
Retailer 3
-
$887 NZD
View
Price last confirmed 13 days ago
Retailer 4
-
$970 NZD
View
Price last confirmed 9 days ago
Retailer 5
-
$972 NZD
View
Price last confirmed 10 days ago
Retailer 6
-
$981 NZD
View
Price last confirmed 9 days ago
Retailer 7
-
$986 NZD
View
Price last confirmed 9 days ago
Retailer 8
-
$1,222 NZD
View
Price last confirmed 12 days ago
Retailer 9
-
$1,375 NZD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$1,687 NZD
View
Retailer 11
-
$1,778 NZD
View
Price last confirmed 9 days ago
Retailer 12
-
$1,864 NZD
View
Price last confirmed 27 days ago
Retailer 13
-
$1,960 NZD
View
Price last confirmed 17 days ago
Retailer 14
-
$1,992 NZD
View
Price last confirmed 10 days ago
Retailer 15
-
$2,106 NZD
View
Price last confirmed 10 days ago
Retailer 16
-
$2,335 NZD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
13235139A · Oct 15
$3,903 NZD
$2,200 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $1,687 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.

B+
1.55ct Cushion
$1,687 NZD