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Cushion|Lab Grown|IGI

3.55ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG688511564

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG688511564

Diamond specifications and retailer prices

From $999 NZD
HK$4,400 HKD
As of November 1, 2026
Save $2,525 NZD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,524 NZD at MOH London · As of November 1, 2026
View at MOH London

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 LG688511564 or 688511564. Listed at 13 retailers as of November 1, 2026, with prices from $999 to $3,524, a $2,525 spread on the same certified stone. MOH London lists it at $3,524. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688511564
Dimensions8.98 × 8.81 × 5.86 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm8.81 mm3.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688511564
Side View
Table 65.0%Crown 36.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 66.5%

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 1
Current: $3,524 NZD|Low: $999 NZD|High: $10,096 NZD|Avg: $3,216 NZD|-0.5%
MOH London
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
November 1, 2026
Retailer 15$999 NZD
Retailer 9$1,004 NZD
Retailer 12$1,162 NZD
Retailer 11$1,425 NZD
Retailer 5$1,427 NZD
Retailer 14$1,483 NZD
Retailer 10$1,484 NZD
Retailer 13$1,898 NZD
Retailer 3$1,958 NZD
Retailer 16$2,154 NZD
Retailer 6$2,961 NZD
Retailer 4$3,375 NZD
MOH London$3,524 NZD
Retailer 2$4,214 NZD
Retailer 7$7,368 NZD
Retailer 8$10,096 NZD

6 data points across 16 retailers

13 retailers$999 NZD to $3,524 NZD

A
Cheapest Retailer
-
$999 NZD
HK$4,400 HKD
A
Retailer 2
-
$1,004 NZD
£446 GBP
View
A
Retailer 3
-
$1,162 NZD
$655 USD
View
A
Retailer 4
-
$1,425 NZD
€765 EUR
View
B+
Retailer 5
-
$1,427 NZD
$804 USD
View
A
Retailer 6
-
$1,483 NZD
$836 USD
View
A
Retailer 7
-
$1,484 NZD
£658 GBP
View
A
Retailer 8
-
$1,898 NZD
A$1,646 AUD
View
A
Retailer 9
-
$1,958 NZD
ZAR 17,827 ZAR
View
A
Retailer 10
-
$2,154 NZD
$1,214 USD
View
B+
Retailer 11
-
$2,961 NZD
$1,669 USD
View
B+
Retailer 12
-
$3,375 NZD
$1,902 USD
View
Most Expensive
B+
MOH London
LG688511564 · Nov 1
$3,524 NZD
£1,564 GBP
View
12 more retailers have this diamond
Prices start from $999 NZDSave up to $2,525 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
$999 NZD