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Cushion|Natural|GIA

1.00ct J IF Cushion Natural Diamond

EX • J/IF • GIA 6551518653

Certificate GIA 6551518653

Diamond specifications and retailer prices

From £1,240 GBP
$1,662 USD
As of October 31, 2026
Save £1,114 GBP (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,354 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-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 6551518653. Listed at 4 retailers as of October 31, 2026, with prices from £1,240 to £2,354, a £1,114 spread on the same certified stone. MOH London lists it at £2,354. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551518653
Dimensions6.59 × 5.02 × 3.45 mm
L/W Ratio1.31
Top View
6.59 mm5.02 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551518653
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,354 GBP|Low: £1,087 GBP|High: £2,682 GBP|Avg: £1,780 GBP|-11.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4£1,240 GBP
Retailer 3£1,385 GBP
Retailer 2£1,835 GBP
MOH London£2,354 GBP

26 data points across 4 retailers

4 retailers£1,240 GBP to £2,354 GBP

B+
Cheapest Retailer
-
£1,240 GBP
$1,662 USD
Final sale: no returns
B+
Retailer 2
-
£1,385 GBP
$1,856 USD
View
B+
Retailer 3
-
£1,835 GBP
€2,342 EUR
View
Most Expensive
B
MOH London
350EEBE84 · Nov 1
£2,354 GBP
View
3 more retailers have this diamond
Prices start from £1,240 GBPSave up to £1,114 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.

B+
1.00ct Cushion
£1,240 GBP