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Cushion|Natural|GIA

1.00ct D I1 Cushion Natural Diamond

VG • D/I1 • GIA 2506268781

Certificate GIA 2506268781

Diamond specifications and retailer prices

From £1,052 GBP
As of November 6, 2026
Save £879 GBP (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,931 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2506268781. Listed at 4 retailers as of November 6, 2026, with prices from £1,052 to £1,931, a £879 spread on the same certified stone. Yorxs lists it at £1,931. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2506268781
Dimensions6.57 × 5.40 × 3.14 mm
L/W Ratio1.22
Top View
6.57 mm5.40 mm1.00 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceStrong
CertificateGIA 2506268781
Side View
Table 76.0%CrownGirdlePavilionCulet: NoneDepth 58.1%

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: Nov 6
Current: £1,052 GBP|Low: £1,042 GBP|High: £1,942 GBP|Avg: £1,459 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 1£1,052 GBP
Retailer 2£1,373 GBP
Retailer 3£1,490 GBP
Yorxs£1,931 GBP

18 data points across 4 retailers

4 retailers£1,052 GBP to £1,931 GBP

B+
Cheapest Retailer
-
£1,052 GBP
B+
Retailer 2
-
£1,373 GBP
View
B+
Retailer 3
-
£1,490 GBP
View
Most Expensive
B
Yorxs
F5D453AC9 · Nov 6
£1,931 GBP
€2,462 EUR
View
3 more retailers have this diamond
Prices start from £1,052 GBPSave up to £879 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
£1,052 GBP