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Cushion|Lab Grown|IGI

3.51ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG828601932

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG828601932

Diamond specifications and retailer prices

From $1,598 NZD
$899 USD
As of November 3, 2026
Save $10,523 NZD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,121 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828601932 or 828601932. Listed at 8 retailers as of November 2, 2026, with prices from $1,598 to $12,121, a $10,523 spread on the same certified stone. Do Amore Diamonds lists it at $12,121. 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

3.51
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828601932
Dimensions8.95 × 8.89 × 5.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.95 mm8.89 mm3.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828601932
Side View
Table 64.0%Crown 36.3°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 65.9%

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: Nov 3
Current: $12,121 NZD|Low: $1,082 NZD|High: $12,121 NZD|Avg: $5,037 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$1,598 NZD
Retailer 9$2,400 NZD
Retailer 6$2,670 NZD
Retailer 4$2,675 NZD
Retailer 8$3,288 NZD
Retailer 3$4,127 NZD
Retailer 10$5,480 NZD
Retailer 5$6,807 NZD
Retailer 2$6,848 NZD
Do Amore Diamonds$12,121 NZD

24 data points across 10 retailers

8 retailers$1,598 NZD to $12,121 NZD

A
Cheapest Retailer
-
$1,598 NZD
$899 USD
Final sale: no returns
A
Retailer 2
-
$2,670 NZD
$1,502 USD
View
B+
Retailer 3
-
$2,675 NZD
$1,505 USD
View
B+
Retailer 4
-
$3,288 NZD
$1,850 USD
View
B+
Retailer 5
-
$4,127 NZD
A$3,572 AUD
View
B
Retailer 6
-
$6,807 NZD
$3,830 USD
View
B
Retailer 7
-
$6,848 NZD
£3,034 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1793138 · Nov 2
$12,121 NZD
$6,820 USD
View
7 more retailers have this diamond
Prices start from $1,598 NZDSave up to $10,523 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
3.51ct Cushion
$1,598 NZD