Cushion|Lab Grown|IGI

3.50ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG817639842

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817639842

Diamond specifications and retailer prices

From $1,360 NZD
£603 GBP
As of October 30, 2026
Save $5,471 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,831 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown cushion diamond

This 3.5ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817639842 or 817639842. Listed at 11 retailers as of October 29, 2026, with prices from $1,360 to $6,831, a $5,471 spread on the same certified stone. Brilliant Earth lists it at $6,831. 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

3.50
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817639842
Dimensions10.71 × 7.99 × 5.44 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm7.99 mm3.50 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817639842
Side View
Table 62.0%Crown 33.3°Girdle: THN-STKPavilion 37.3°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
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: Oct 30
Current: $6,831 NZD|Low: $1,355 NZD|High: $7,079 NZD|Avg: $3,840 NZD|-3.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,360 NZD
Retailer 8$1,385 NZD
Retailer 9$1,799 NZD
Retailer 10$1,971 NZD
Retailer 7$1,978 NZD
Retailer 5$2,708 NZD
Retailer 4$3,192 NZD
Retailer 11$4,014 NZD
Retailer 3$5,533 NZD
Retailer 6$5,595 NZD
Retailer 12$6,120 NZD
Brilliant Earth$6,831 NZD

35 data points across 12 retailers

11 retailers$1,360 NZD to $6,831 NZD

A
Cheapest Retailer
-
$1,360 NZD
£603 GBP
A
Retailer 2
-
$1,385 NZD
HK$6,100 HKD
View
A
Retailer 3
-
$1,799 NZD
$1,014 USD
View
A
Retailer 4
-
$1,971 NZD
$1,111 USD
View
A
Retailer 5
-
$1,978 NZD
$1,115 USD
View
A
Retailer 6
-
$2,708 NZD
A$2,348 AUD
View
B+
Retailer 7
-
$4,014 NZD
SGD 3,057 SGD
View
Retailer 8
-
$5,533 NZD
$3,118 USD
View
Price last confirmed 102 days ago
B
Retailer 9
-
$5,595 NZD
£2,483 GBP
View
B
Retailer 10
-
$6,120 NZD
$3,449 USD
View
Most Expensive
B
Brilliant Earth
20584664A · Oct 29
$6,831 NZD
$3,850 USD
View
10 more retailers have this diamond
Prices start from $1,360 NZDSave up to $5,471 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
3.50ct Cushion
$1,360 NZD