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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG794658451

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG794658451

Diamond specifications and retailer prices

From $2,223 NZD
$1,250 USD
As of November 3, 2026
Save $3,513 NZD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,792 NZD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 LG794658451 or 794658451. Listed at 15 retailers as of November 3, 2026, with a 158% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle39.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794658451
Dimensions11.83 × 7.96 × 5.61 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.83 mm7.96 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794658451
Side View
Table 62.0%Crown 39.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 70.5%

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: Nov 3
Current: $2,341 NZD|Low: $1,460 NZD|High: $5,803 NZD|Avg: $3,437 NZD|-11.0%
Retailer 1
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
November 3, 2026
Retailer 12$1,460 NZD
Retailer 10$2,223 NZD
Retailer 3$2,233 NZD
Retailer 9$2,279 NZD
Retailer 1$2,341 NZD
Retailer 14$2,370 NZD
Retailer 7$3,107 NZD
Retailer 11$3,130 NZD
Retailer 4$3,343 NZD
Retailer 5$4,552 NZD
Retailer 2$4,922 NZD
Retailer 13$4,980 NZD
Retailer 6$5,035 NZD
Retailer 8$5,735 NZD

44 data points across 14 retailers

15 retailers$2,223 NZD to $5,735 NZD

Retailer 1
-
$1,460 NZD
$821 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$2,223 NZD
$1,250 USD
View
A
Retailer 3
-
$2,233 NZD
$1,256 USD
View
A
Retailer 4
-
$2,279 NZD
€1,221 EUR
View
A
Retailer 5
-
$2,341 NZD
£1,037 GBP
View
B+
Retailer 6
-
$2,370 NZD
$1,333 USD
View
A
Retailer 7
-
$3,107 NZD
ZAR 28,229 ZAR
View
A
Retailer 8
-
$3,130 NZD
A$2,708 AUD
View
A
Retailer 9
-
$3,343 NZD
$1,880 USD
View
B+
Retailer 10
-
$4,552 NZD
£2,016 GBP
View
B+
Retailer 11
-
$4,922 NZD
SGD 3,741 SGD
View
B+
Retailer 12
-
$4,980 NZD
$2,801 USD
View
B+
Retailer 13
-
$5,035 NZD
$2,832 USD
View
B+
Retailer 14
-
$5,735 NZD
£2,540 GBP
View
Most Expensive
Rare Carat
SAV-32-1600_l_794658451 · Oct 19
$6,792 NZD
$3,820 USD
View
Price last confirmed 15 days ago
14 more retailers have this diamond
Prices start from $2,223 NZDSave up to $3,513 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
$2,223 NZD