Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG784657795

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG784657795

Diamond specifications and retailer prices

From $1,902 NZD
$1,070 USD
As of October 31, 2026
Save $14,224 NZD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,126 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 LG784657795 or 784657795. Listed at 13 retailers as of October 31, 2026, with prices from $1,902 to $16,126, a $14,224 spread on the same certified stone. Brilliant Earth lists it at $16,126. 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 angle37.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784657795
Dimensions10.35 × 9.69 × 6.24 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm9.69 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784657795
Side View
Table 63.0%Crown 37.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $16,126 NZD|Low: $1,378 NZD|High: $16,126 NZD|Avg: $4,441 NZD|+50.4%
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
November 3, 2026
Retailer 7$1,378 NZD
Retailer 12$1,902 NZD
Retailer 3$2,292 NZD
Retailer 11$2,309 NZD
Retailer 15$2,317 NZD
Retailer 4$2,435 NZD
Retailer 14$2,658 NZD
Retailer 10$2,750 NZD
Retailer 6$3,237 NZD
Retailer 8$3,267 NZD
Retailer 2$4,410 NZD
Retailer 9$4,715 NZD
Retailer 5$5,142 NZD
Retailer 17$6,347 NZD
Retailer 16$10,736 NZD
Retailer 13$12,570 NZD
Brilliant Earth$16,126 NZD

30 data points across 17 retailers

13 retailers$1,902 NZD to $16,126 NZD

A
Cheapest Retailer
-
$1,902 NZD
$1,070 USD
A
Retailer 2
-
$2,309 NZD
$1,299 USD
View
B+
Retailer 3
-
$2,317 NZD
$1,303 USD
View
A
Retailer 4
-
$2,658 NZD
$1,495 USD
View
A
Retailer 5
-
$2,750 NZD
€1,473 EUR
View
Retailer 6
-
$3,237 NZD
ZAR 29,414 ZAR
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$4,410 NZD
$2,481 USD
View
Retailer 8
-
$5,142 NZD
$2,892 USD
View
Price last confirmed 26 days ago
Retailer 9
-
$5,442 NZD
$3,061 USD
View
Price last confirmed 26 days ago
Retailer 10
-
$6,347 NZD
£2,811 GBP
View
Price last confirmed 7 days ago
B
Retailer 11
-
$10,736 NZD
$6,038 USD
View
B
Retailer 12
-
$12,570 NZD
$7,070 USD
View
Most Expensive
B
Brilliant Earth
22266850A · Nov 3
$16,126 NZD
$9,070 USD
View
12 more retailers have this diamond
Prices start from $1,902 NZDSave up to $14,224 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
$1,902 NZD