CaratHunter
Plans
Cushion|Natural|GIA

1.00ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 7512052066

Certificate GIA 7512052066

Diamond specifications and retailer prices

From £608 GBP
As of November 6, 2026
Save £284 GBP (32%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £893 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7512052066. Listed at 7 retailers as of November 6, 2026, with prices from £608 to £893, a £284 spread on the same certified stone. GemTrove lists it at £893. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7512052066
Dimensions5.73 × 5.51 × 3.74 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
5.73 mm5.51 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7512052066
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

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: £893 GBP|Low: £559 GBP|High: £914 GBP|Avg: £767 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5£608 GBP
Retailer 7£667 GBP
Retailer 4£711 GBP
Retailer 2£755 GBP
Retailer 6£760 GBP
Retailer 3£872 GBP
GemTrove£893 GBP

42 data points across 7 retailers

7 retailers£608 GBP to £893 GBP

A
Cheapest Retailer
-
£608 GBP
Final sale: no returns
A
Retailer 2
-
£667 GBP
View
A
Retailer 3
-
£711 GBP
View
A
Retailer 4
-
£755 GBP
View
A
Retailer 5
-
£760 GBP
View
A
Retailer 6
-
£872 GBP
View
Most Expensive
B+
GemTrove
GT-N-00979167-98 · Nov 6
£893 GBP
A$1,838 AUD
View
6 more retailers have this diamond
Prices start from £608 GBPSave up to £284 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
1.00ct Cushion
£608 GBP