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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG779638251

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG779638251

Diamond specifications and retailer prices

From $1,009 AUD
£557 GBP
As of November 2, 2026
Save $3,909 AUD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,429 AUD 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 LG779638251 or 779638251. Listed at 18 retailers as of October 31, 2026, with a 388% 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 angle33.5°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779638251
Dimensions9.99 × 9.19 × 5.61 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.99 mm9.19 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779638251
Side View
Table 66.0%Crown 33.5°Girdle: STK-THKPavilion 33.2°Culet: NoneDepth 61.0%

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 2
Current: $1,810 AUD|Low: $1,008 AUD|High: $4,979 AUD|Avg: $2,525 AUD|+0.3%
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
November 3, 2026
Retailer 7$1,009 AUD
Retailer 5$1,090 AUD
Retailer 2$1,130 AUD
Retailer 12$1,384 AUD
Retailer 13$1,615 AUD
Retailer 1$1,810 AUD
Retailer 9$1,829 AUD
Retailer 6$2,405 AUD
Retailer 11$2,422 AUD
Retailer 3$3,720 AUD
Retailer 4$3,854 AUD
Retailer 8$4,761 AUD
Retailer 10$4,918 AUD

36 data points across 13 retailers

18 retailers$1,009 AUD to $4,918 AUD

A
Cheapest Retailer
-
$1,009 AUD
£557 GBP
A
Retailer 2
-
$1,090 AUD
$764 USD
View
Final sale: no returns
Retailer 3
-
$1,130 AUD
$792 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$1,384 AUD
$970 USD
View
B+
Retailer 5
-
$1,615 AUD
$1,132 USD
View
A
Retailer 6
-
$1,754 AUD
$1,229 USD
View
A
Retailer 7
-
$1,810 AUD
£999 GBP
View
A
Retailer 8
-
$1,829 AUD
€1,221 EUR
View
A
Retailer 9
-
$2,405 AUD
ZAR 27,224 ZAR
View
A
Retailer 10
-
$2,422 AUD
View
A
Retailer 11
-
$2,670 AUD
$1,871 USD
View
B+
Retailer 12
-
$3,523 AUD
£1,944 GBP
View
B+
Retailer 13
-
$3,720 AUD
$2,607 USD
View
B+
Retailer 14
-
$3,854 AUD
$2,701 USD
View
B+
Retailer 15
-
$3,898 AUD
$2,732 USD
View
B+
Retailer 16
-
$4,761 AUD
£2,627 GBP
View
B+
Retailer 17
-
$4,918 AUD
View
Most Expensive
Rare Carat
HS-61-53A_l_779638251 · Oct 19
$5,429 AUD
$3,805 USD
View
Price last confirmed 15 days ago
17 more retailers have this diamond
Prices start from $1,009 AUDSave up to $3,909 AUD

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
$1,009 AUD