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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG843672261

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843672261

Diamond specifications and retailer prices

From $1,442 NZD
£639 GBP
As of November 2, 2026
Save $11,039 NZD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,482 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843672261 or 843672261. Listed at 19 retailers as of November 2, 2026, with prices from $1,442 to $12,482, a $11,039 spread on the same certified stone. Brilliant Earth lists it at $12,482. 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

4.51
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843672261
Dimensions11.72 × 8.09 × 5.52 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm8.09 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843672261
Side View
Table 63.0%Crown 37.9°Girdle: STK-VTKPavilion 38.3°Culet: NoneDepth 68.2%

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 2
Current: $12,482 NZD|Low: $1,442 NZD|High: $12,482 NZD|Avg: $4,396 NZD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 15$1,442 NZD
Retailer 3$1,889 NZD
Retailer 7$1,929 NZD
Retailer 5$2,247 NZD
Retailer 6$2,315 NZD
Retailer 16$2,451 NZD
Retailer 2$2,478 NZD
Retailer 8$3,387 NZD
Retailer 13$3,443 NZD
Retailer 18$3,462 NZD
Retailer 14$3,535 NZD
Retailer 19$5,154 NZD
Retailer 9$5,439 NZD
Retailer 11$5,585 NZD
Retailer 10$5,784 NZD
Retailer 12$6,058 NZD
Retailer 17$6,153 NZD
Retailer 4$6,810 NZD
Brilliant Earth$12,482 NZD

30 data points across 19 retailers

19 retailers$1,442 NZD to $12,482 NZD

A
Cheapest Retailer
-
$1,442 NZD
£639 GBP
A
Retailer 2
-
$1,889 NZD
HK$8,300 HKD
View
A
Retailer 3
-
$1,929 NZD
$1,085 USD
View
A
Retailer 4
-
$2,247 NZD
$1,264 USD
View
B+
Retailer 5
-
$2,315 NZD
$1,302 USD
View
A
Retailer 6
-
$2,451 NZD
€1,313 EUR
View
A
Retailer 7
-
$2,478 NZD
£1,098 GBP
View
A
Retailer 8
-
$3,387 NZD
$1,905 USD
View
A
Retailer 9
-
$3,443 NZD
ZAR 31,283 ZAR
View
A
Retailer 10
-
$3,462 NZD
A$2,996 AUD
View
A
Retailer 11
-
$3,535 NZD
$1,988 USD
View
B+
Retailer 12
-
$5,154 NZD
$2,899 USD
View
B+
Retailer 13
-
$5,439 NZD
SGD 4,134 SGD
View
B+
Retailer 14
-
$5,585 NZD
$3,141 USD
View
B+
Retailer 15
-
$5,784 NZD
$3,253 USD
View
B+
Retailer 16
-
$6,058 NZD
£2,683 GBP
View
B+
Retailer 17
-
$6,153 NZD
A$5,324 AUD
View
Retailer 18
-
$6,810 NZD
$3,830 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
21702797A · Nov 3
$12,482 NZD
$7,020 USD
View
18 more retailers have this diamond
Prices start from $1,442 NZDSave up to $11,039 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
4.51ct Cushion
$1,442 NZD