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Cushion|Lab Grown|IGI

3.55ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG753508718

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG753508718

Diamond specifications and retailer prices

From $1,171 NZD
£520 GBP
As of November 2, 2026
Save $2,765 NZD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,935 NZD at Brilliance · As of November 1, 2026
View at Brilliance

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 LG753508718 or 753508718. Listed at 11 retailers as of November 1, 2026, with prices from $1,171 to $3,935, a $2,765 spread on the same certified stone. Brilliance lists it at $3,935. 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 angle34.2°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753508718
Dimensions11.00 × 7.65 × 4.91 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.65 mm3.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753508718
Side View
Table 63.0%Crown 34.2°Girdle: MED-THKPavilion 30.9°Culet: NoneDepth 64.2%

Caratlytics Score

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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 2
Current: $3,935 NZD|Low: $1,116 NZD|High: $4,952 NZD|Avg: $2,539 NZD|+5.9%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 2$1,171 NZD
Retailer 8$1,304 NZD
Retailer 10$1,639 NZD
Retailer 9$1,746 NZD
Retailer 6$1,746 NZD
Retailer 3$2,144 NZD
Retailer 11$2,195 NZD
Retailer 12$2,222 NZD
Retailer 4$2,974 NZD
Retailer 13$3,433 NZD
Retailer 7$3,865 NZD
Brilliance$3,935 NZD
Retailer 5$4,952 NZD

13 data points across 13 retailers

11 retailers$1,171 NZD to $3,935 NZD

A
Cheapest Retailer
-
$1,171 NZD
£520 GBP
A
Retailer 2
-
$1,304 NZD
$735 USD
View
B+
Retailer 3
-
$1,639 NZD
$924 USD
View
A
Retailer 4
-
$1,746 NZD
$984 USD
View
A
Retailer 5
-
$1,746 NZD
£775 GBP
View
Retailer 6
-
$2,144 NZD
ZAR 19,522 ZAR
View
Price last confirmed 19 days ago
A
Retailer 7
-
$2,195 NZD
$1,237 USD
View
A
Retailer 8
-
$2,222 NZD
A$1,927 AUD
View
B+
Retailer 9
-
$3,433 NZD
$1,935 USD
View
B+
Retailer 10
-
$3,865 NZD
£1,715 GBP
View
Most Expensive
B+
Brilliance
D37545283 · Nov 1
$3,935 NZD
$2,218 USD
View
10 more retailers have this diamond
Prices start from $1,171 NZDSave up to $2,765 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
$1,171 NZD