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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 $1,527 AUD
$1,070 USD
As of October 31, 2026
Save $11,415 AUD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,942 AUD at Brilliant Earth · As of November 2, 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 $1,527 to $12,942, a $11,415 spread on the same certified stone. Brilliant Earth lists it at $12,942. 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: $12,942 AUD|Low: $1,106 AUD|High: $12,942 AUD|Avg: $3,543 AUD|+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 2, 2026
Retailer 7$1,106 AUD
Retailer 11$1,527 AUD
Retailer 3$1,839 AUD
Retailer 10$1,853 AUD
Retailer 14$1,859 AUD
Retailer 4$1,954 AUD
Retailer 13$2,133 AUD
Retailer 2$2,207 AUD
Retailer 6$2,598 AUD
Retailer 8$2,622 AUD
Retailer 16$3,653 AUD
Retailer 9$3,784 AUD
Retailer 5$4,127 AUD
Retailer 17$5,094 AUD
Retailer 15$8,616 AUD
Retailer 12$10,088 AUD
Brilliant Earth$12,942 AUD

29 data points across 17 retailers

13 retailers$1,527 AUD to $12,942 AUD

A
Cheapest Retailer
-
$1,527 AUD
$1,070 USD
A
Retailer 2
-
$1,853 AUD
$1,299 USD
View
B+
Retailer 3
-
$1,859 AUD
$1,303 USD
View
A
Retailer 4
-
$2,133 AUD
$1,495 USD
View
A
Retailer 5
-
$2,207 AUD
€1,473 EUR
View
Retailer 6
-
$2,598 AUD
ZAR 29,414 ZAR
View
Price last confirmed 28 days ago
Retailer 7
-
$3,653 AUD
$2,560 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$4,127 AUD
$2,892 USD
View
Price last confirmed 25 days ago
Retailer 9
-
$4,367 AUD
$3,061 USD
View
Price last confirmed 25 days ago
Retailer 10
-
$5,094 AUD
£2,811 GBP
View
Price last confirmed 7 days ago
B
Retailer 11
-
$8,616 AUD
$6,038 USD
View
B
Retailer 12
-
$10,088 AUD
$7,070 USD
View
Most Expensive
B
Brilliant Earth
22266850A · Nov 2
$12,942 AUD
$9,070 USD
View
12 more retailers have this diamond
Prices start from $1,527 AUDSave up to $11,415 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
$1,527 AUD