Cushion|Lab Grown|IGI

3.55ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG662455349

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662455349

Diamond specifications and retailer prices

From $1,490 NZD
$840 USD
As of October 31, 2026
Save $5,216 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,707 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.55ct lab-grown cushion diamond

This 3.55ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662455349 or 662455349. Listed at 14 retailers as of October 29, 2026, with prices from $1,490 to $6,707, a $5,216 spread on the same certified stone. Brilliant Earth lists it at $6,707. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.55
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662455349
Dimensions8.82 × 8.80 × 5.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.82 mm8.80 mm3.55 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662455349
Side View
Table 61.0%Crown 37°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 66.8%

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: Oct 31
Current: $6,707 NZD|Low: $1,098 NZD|High: $8,481 NZD|Avg: $3,110 NZD|-13.9%
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
October 31, 2026
Retailer 13$1,254 NZD
Retailer 8$1,490 NZD
Retailer 12$1,649 NZD
Retailer 2$1,718 NZD
Retailer 3$1,911 NZD
Retailer 6$1,930 NZD
Retailer 7$1,959 NZD
Retailer 4$2,757 NZD
Retailer 9$3,650 NZD
Retailer 14$4,040 NZD
Retailer 5$4,065 NZD
Retailer 10$5,279 NZD
Retailer 11$5,476 NZD
Brilliant Earth$6,707 NZD

38 data points across 14 retailers

14 retailers$1,490 NZD to $6,707 NZD

Retailer 1
-
$1,254 NZD
$707 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$1,490 NZD
$840 USD
View
Retailer 3
-
$1,649 NZD
£732 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,718 NZD
€922 EUR
View
A
Retailer 5
-
$1,911 NZD
$1,077 USD
View
A
Retailer 6
-
$1,930 NZD
$1,088 USD
View
A
Retailer 7
-
$1,959 NZD
£869 GBP
View
A
Retailer 8
-
$2,757 NZD
$1,554 USD
View
B+
Retailer 9
-
$3,650 NZD
£1,620 GBP
View
B+
Retailer 10
-
$4,040 NZD
$2,277 USD
View
Retailer 11
-
$4,065 NZD
$2,291 USD
View
Price last confirmed 13 days ago
Retailer 12
-
$5,279 NZD
$2,975 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
$5,476 NZD
£2,430 GBP
View
Most Expensive
B
Brilliant Earth
12124362A · Oct 29
$6,707 NZD
$3,780 USD
View
13 more retailers have this diamond
Prices start from $1,490 NZDSave up to $5,216 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
3.55ct Cushion
$1,490 NZD