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Cushion|Lab Grown|IGI

3.55ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG574366459

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG574366459

Diamond specifications and retailer prices

From $1,396 NZD
$787 USD
As of November 1, 2026
Save $4,973 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,370 NZD at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG574366459 or 574366459. Listed at 15 retailers as of October 31, 2026, with prices from $1,396 to $6,370, a $4,973 spread on the same certified stone. Brilliant Earth lists it at $6,370. 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574366459
Dimensions9.52 × 7.93 × 5.36 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.52 mm7.93 mm3.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574366459
Side View
Table 62.0%Crown 36.4°Girdle: STK-VTKPavilion 34.1°Culet: NoneDepth 67.6%

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 1
Current: $6,370 NZD|Low: $1,230 NZD|High: $6,565 NZD|Avg: $3,471 NZD|-3.0%
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
November 2, 2026
Retailer 5$1,396 NZD
Retailer 12$1,448 NZD
Retailer 11$1,783 NZD
Retailer 4$2,019 NZD
Retailer 2$2,300 NZD
Retailer 15$2,330 NZD
Retailer 14$2,349 NZD
Retailer 8$3,268 NZD
Retailer 10$3,360 NZD
Retailer 3$4,489 NZD
Retailer 13$4,936 NZD
Retailer 6$4,967 NZD
Retailer 7$4,990 NZD
Retailer 9$5,715 NZD
Brilliant Earth$6,370 NZD

43 data points across 15 retailers

15 retailers$1,396 NZD to $6,370 NZD

A
Cheapest Retailer
-
$1,396 NZD
$787 USD
Final sale: no returns
Retailer 2
-
$1,448 NZD
$816 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,783 NZD
$1,005 USD
View
A
Retailer 4
-
$2,019 NZD
$1,138 USD
View
A
Retailer 5
-
$2,300 NZD
£1,021 GBP
View
A
Retailer 6
-
$2,330 NZD
$1,313 USD
View
A
Retailer 7
-
$2,349 NZD
$1,324 USD
View
B+
Retailer 8
-
$3,268 NZD
A$2,834 AUD
View
B+
Retailer 9
-
$3,360 NZD
ZAR 30,595 ZAR
View
B
Retailer 10
-
$4,489 NZD
£1,992 GBP
View
B
Retailer 11
-
$4,936 NZD
$2,782 USD
View
B
Retailer 12
-
$4,967 NZD
$2,799 USD
View
B
Retailer 13
-
$4,990 NZD
$2,812 USD
View
B
Retailer 14
-
$5,715 NZD
£2,536 GBP
View
Most Expensive
B
Brilliant Earth
19068869A · Oct 31
$6,370 NZD
$3,590 USD
View
14 more retailers have this diamond
Prices start from $1,396 NZDSave up to $4,973 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
$1,396 NZD