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Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG797675381

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG797675381

Diamond specifications and retailer prices

From $520 NZD
As of November 4, 2026
Save $3,188 NZD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,708 NZD at Brilliant Earth · As of November 3, 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 LG797675381 or 797675381. Listed at 19 retailers as of November 3, 2026, with prices from $520 to $3,708, a $3,188 spread on the same certified stone. Brilliant Earth lists it at $3,708. 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 angle34.4°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797675381
Dimensions7.00 × 7.21 × 4.46 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.21 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797675381
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 63.7%

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: $3,708 NZD|Low: $520 NZD|High: $3,708 NZD|Avg: $1,474 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
Retailer 18
Retailer 19
November 4, 2026
Retailer 9$520 NZD
Retailer 4$577 NZD
Retailer 18$658 NZD
Retailer 12$878 NZD
Retailer 17$935 NZD
Retailer 8$962 NZD
Retailer 10$986 NZD
Retailer 16$993 NZD
Retailer 2$1,091 NZD
Retailer 5$1,178 NZD
Retailer 13$1,348 NZD
Retailer 15$1,485 NZD
Retailer 3$1,786 NZD
Retailer 19$1,888 NZD
Retailer 7$2,267 NZD
Retailer 14$2,308 NZD
Retailer 6$2,468 NZD
Retailer 11$2,773 NZD
Brilliant Earth$3,708 NZD

39 data points across 19 retailers

19 retailers$520 NZD to $3,708 NZD

A
Cheapest Retailer
-
$520 NZD
Final sale: no returns
Retailer 2
-
$577 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$658 NZD
View
A
Retailer 4
-
$878 NZD
View
A
Retailer 5
-
$935 NZD
View
A
Retailer 6
-
$962 NZD
View
A
Retailer 7
-
$986 NZD
View
A
Retailer 8
-
$993 NZD
View
A
Retailer 9
-
$1,091 NZD
View
B+
Retailer 10
-
$1,178 NZD
View
B+
Retailer 11
-
$1,348 NZD
View
B+
Retailer 12
-
$1,485 NZD
View
B+
Retailer 13
-
$1,786 NZD
View
B
Retailer 14
-
$1,888 NZD
View
B
Retailer 15
-
$2,267 NZD
View
B
Retailer 16
-
$2,308 NZD
View
B
Retailer 17
-
$2,468 NZD
View
B
Retailer 18
-
$2,773 NZD
View
Most Expensive
B
Brilliant Earth
22478102A · Nov 3
$3,708 NZD
$2,090 USD
View
18 more retailers have this diamond
Prices start from $520 NZDSave up to $3,188 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
1.55ct Cushion
$520 NZD