CaratHunter
Plans
Cushion|Natural|GIA

1.50ct J IF Cushion Natural Diamond

EX • J/IF • GIA 6515398385

Certificate GIA 6515398385

Diamond specifications and retailer prices

From £2,120 GBP
As of November 6, 2026
Save £492 GBP (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,612 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6515398385. Listed at 7 retailers as of November 6, 2026, with prices from £2,120 to £2,612, a £492 spread on the same certified stone. GemTrove lists it at £2,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6515398385
Dimensions6.38 × 6.28 × 4.27 mm
L/W Ratio1.02
Top View
6.38 mm6.28 mm1.50 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6515398385
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.0%

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 6
Current: £2,120 GBP|Low: £1,895 GBP|High: £2,725 GBP|Avg: £2,288 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1£2,120 GBP
Retailer 3£2,134 GBP
Retailer 4£2,175 GBP
Retailer 6£2,208 GBP
Retailer 2£2,268 GBP
Retailer 5£2,530 GBP

45 data points across 6 retailers

7 retailers£2,120 GBP to £2,612 GBP

A
Cheapest Retailer
-
£2,120 GBP
A
Retailer 2
-
£2,134 GBP
View
A
Retailer 3
-
£2,175 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,208 GBP
View
A
Retailer 5
-
£2,268 GBP
View
A
Retailer 6
-
£2,530 GBP
View
Most Expensive
B+
GemTrove
GT-N-00963346-98 · Nov 6
£2,612 GBP
A$5,378 AUD
View
6 more retailers have this diamond
Prices start from £2,120 GBPSave up to £492 GBP

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
1.50ct Cushion
£2,120 GBP