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Cushion|Natural|GIA

1.07ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2557107178

Certificate GIA 2557107178

Diamond specifications and retailer prices

From £795 GBP
MYR 4,339 MYR
As of October 30, 2026
Save £262 GBP (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,057 GBP at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.07ct natural cushion diamond

This 1.07ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557107178. Listed at 7 retailers as of October 30, 2026, with prices from £795 to £1,057, a £262 spread on the same certified stone. GemTrove lists it at £1,057. 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

1.07
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557107178
Dimensions5.74 × 5.61 × 3.79 mm
L/W Ratio1.02
Top View
5.74 mm5.61 mm1.07 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557107178
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.6%

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: Oct 30
Current: £1,057 GBP|Low: £709 GBP|High: £1,075 GBP|Avg: £905 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7£795 GBP
Retailer 4£796 GBP
Retailer 3£829 GBP
Retailer 2£887 GBP
Retailer 6£907 GBP
Retailer 5£972 GBP
GemTrove£1,057 GBP

40 data points across 7 retailers

7 retailers£795 GBP to £1,057 GBP

A
Cheapest Retailer
-
£795 GBP
MYR 4,339 MYR
A
Retailer 2
-
£796 GBP
$1,066 USD
View
Final sale: no returns
A
Retailer 3
-
£829 GBP
$1,111 USD
View
A
Retailer 4
-
£887 GBP
View
A
Retailer 5
-
£907 GBP
SGD 1,643 SGD
View
A
Retailer 6
-
£972 GBP
$1,302 USD
View
Most Expensive
B+
GemTrove
GT-N-00959116-98 · Nov 2
£1,057 GBP
A$2,178 AUD
View
6 more retailers have this diamond
Prices start from £795 GBPSave up to £262 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
1.07ct Cushion
£795 GBP