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Cushion|Lab Grown|IGI

6.50ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG745518304

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

Certificate IGI LG745518304

Diamond specifications and retailer prices

From $1,488 AUD
$1,043 USD
As of November 1, 2026
Save $3,955 AUD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,470 AUD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 6.5ct lab-grown cushion diamond

This 6.5ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG745518304 or 745518304. Listed at 14 retailers as of November 1, 2026, with a 266% 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

6.50
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745518304
Dimensions10.75 × 10.52 × 6.53 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm10.52 mm6.50 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745518304
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 62.1%

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: $2,988 AUD|Low: $1,488 AUD|High: $5,538 AUD|Avg: $3,419 AUD|+2.0%
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
November 3, 2026
Retailer 12$1,488 AUD
Retailer 3$1,548 AUD
Retailer 10$1,791 AUD
Retailer 6$2,377 AUD
Retailer 2$2,473 AUD
Retailer 9$2,859 AUD
Retailer 1$2,988 AUD
Retailer 5$4,044 AUD
Retailer 4$4,175 AUD
Retailer 11$4,382 AUD
Retailer 8$4,826 AUD
Retailer 13$5,235 AUD
Retailer 7$5,444 AUD

45 data points across 13 retailers

14 retailers$1,488 AUD to $5,444 AUD

A
Cheapest Retailer
-
$1,488 AUD
$1,043 USD
Final sale: no returns
Retailer 2
-
$1,548 AUD
$1,085 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,791 AUD
$1,255 USD
View
A
Retailer 4
-
$2,377 AUD
£1,312 GBP
View
B+
Retailer 5
-
$2,473 AUD
$1,733 USD
View
A
Retailer 6
-
$2,859 AUD
View
A
Retailer 7
-
$2,988 AUD
ZAR 33,828 ZAR
View
B+
Retailer 8
-
$4,044 AUD
$2,834 USD
View
B+
Retailer 9
-
$4,175 AUD
£2,304 GBP
View
B+
Retailer 10
-
$4,382 AUD
$3,071 USD
View
B+
Retailer 11
-
$4,826 AUD
$3,382 USD
View
B+
Retailer 12
-
$5,235 AUD
$3,669 USD
View
B+
Retailer 13
-
$5,444 AUD
£3,004 GBP
View
Most Expensive
Rare Carat
LAB7444_l_745518304 · Oct 19
$7,470 AUD
$5,235 USD
View
Price last confirmed 15 days ago
13 more retailers have this diamond
Prices start from $1,488 AUDSave up to $3,955 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
6.50ct Cushion
$1,488 AUD