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Cushion|Lab Grown|IGI

3.51ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG727580837

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG727580837

Diamond specifications and retailer prices

From $1,187 AUD
$832 USD
As of November 1, 2026
Save $4,271 AUD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,458 AUD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG727580837 or 727580837. Listed at 16 retailers as of November 1, 2026, with prices from $1,187 to $5,458, a $4,271 spread on the same certified stone. Rare Carat lists it at $5,458. 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

3.51
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727580837
Dimensions8.62 × 8.55 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm8.55 mm3.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727580837
Side View
Table 62.0%Crown 35.2°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 66.9%

Caratlytics Score

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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 1
Current: $1,975 AUD|Low: $1,187 AUD|High: $4,889 AUD|Avg: $2,645 AUD|-0.5%
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
Retailer 15
November 3, 2026
Retailer 4$1,187 AUD
Retailer 2$1,230 AUD
Retailer 9$1,427 AUD
Retailer 15$1,791 AUD
Retailer 1$1,975 AUD
Retailer 3$1,993 AUD
Retailer 13$1,998 AUD
Retailer 11$2,024 AUD
Retailer 12$2,778 AUD
Retailer 8$2,859 AUD
Retailer 14$3,208 AUD
Retailer 6$3,827 AUD
Retailer 5$4,177 AUD
Retailer 7$4,242 AUD
Retailer 10$4,831 AUD

33 data points across 15 retailers

16 retailers$1,187 AUD to $5,458 AUD

A
Cheapest Retailer
-
$1,187 AUD
$832 USD
Final sale: no returns
Retailer 2
-
$1,230 AUD
$862 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,427 AUD
£787 GBP
View
A
Retailer 4
-
$1,791 AUD
$1,255 USD
View
A
Retailer 5
-
$1,975 AUD
£1,090 GBP
View
A
Retailer 6
-
$1,993 AUD
$1,397 USD
View
A
Retailer 7
-
$1,998 AUD
$1,400 USD
View
A
Retailer 8
-
$2,024 AUD
€1,351 EUR
View
B+
Retailer 9
-
$2,778 AUD
View
B+
Retailer 10
-
$2,859 AUD
ZAR 32,367 ZAR
View
B+
Retailer 11
-
$3,208 AUD
$2,248 USD
View
B+
Retailer 12
-
$3,827 AUD
£2,112 GBP
View
B
Retailer 13
-
$4,177 AUD
$2,927 USD
View
B
Retailer 14
-
$4,242 AUD
$2,973 USD
View
B
Retailer 15
-
$4,831 AUD
£2,666 GBP
View
Most Expensive
B
Rare Carat
M6-31p1_l_727580837 · Nov 1
$5,458 AUD
$3,825 USD
View
15 more retailers have this diamond
Prices start from $1,187 AUDSave up to $4,271 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
3.51ct Cushion
$1,187 AUD