Cushion|Lab Grown|IGI

6.53ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG670409015

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG670409015

Diamond specifications and retailer prices

From $2,253 AUD
$1,579 USD
As of November 1, 2026
Save $15,626 AUD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,879 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.53ct lab-grown cushion diamond

This 6.53ct 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 LG670409015 or 670409015. Listed at 18 retailers as of November 1, 2026, with prices from $2,253 to $17,879, a $15,626 spread on the same certified stone. Brilliant Earth lists it at $17,879. 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

6.53
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670409015
Dimensions9.66 × 9.66 × 6.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.66 mm6.53 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670409015
Side View
Table 63.0%Crown 37.8°Girdle: MED-THKPavilion 34.4°Culet: NoneDepth 67.4%

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: Nov 1
Current: $17,879 AUD|Low: $2,253 AUD|High: $17,879 AUD|Avg: $5,785 AUD
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
November 2, 2026
Retailer 3$2,253 AUD
Retailer 15$2,336 AUD
Retailer 16$2,583 AUD
Retailer 2$2,715 AUD
Retailer 7$2,954 AUD
Retailer 6$3,283 AUD
Retailer 9$3,652 AUD
Retailer 11$4,777 AUD
Retailer 13$4,989 AUD
Retailer 8$6,219 AUD
Retailer 5$6,295 AUD
Retailer 4$6,807 AUD
Retailer 12$7,233 AUD
Retailer 10$7,363 AUD
Retailer 14$13,855 AUD
Brilliant Earth$17,879 AUD

35 data points across 16 retailers

18 retailers$2,253 AUD to $17,879 AUD

A
Cheapest Retailer
-
$2,253 AUD
$1,579 USD
Final sale: no returns
A
Retailer 2
-
$2,336 AUD
$1,637 USD
View
A
Retailer 3
-
$2,583 AUD
$1,810 USD
View
A
Retailer 4
-
$2,715 AUD
£1,498 GBP
View
A
Retailer 5
-
$2,954 AUD
$2,070 USD
View
A
Retailer 6
-
$3,283 AUD
$2,301 USD
View
A
Retailer 7
-
$3,313 AUD
$2,322 USD
View
A
Retailer 8
-
$3,652 AUD
£2,015 GBP
View
B+
Retailer 9
-
$4,777 AUD
View
B+
Retailer 10
-
$4,989 AUD
ZAR 56,483 ZAR
View
B
Retailer 11
-
$6,219 AUD
£3,432 GBP
View
B
Retailer 12
-
$6,295 AUD
$4,412 USD
View
B
Retailer 13
-
$6,807 AUD
$4,770 USD
View
B
Retailer 14
-
$7,233 AUD
View
B
Retailer 15
-
$7,363 AUD
£4,063 GBP
View
B
Retailer 16
-
$9,099 AUD
$6,377 USD
View
B
Retailer 17
-
$13,855 AUD
$9,710 USD
View
Most Expensive
B
Brilliant Earth
18830450A · Nov 2
$17,879 AUD
$12,530 USD
View
17 more retailers have this diamond
Prices start from $2,253 AUDSave up to $15,626 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
6.53ct Cushion
$2,253 AUD