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Cushion|Natural|GIA

1.00ct D I1 Cushion Natural Diamond

ID • D/I1 • GIA 1505388953

Certificate GIA 1505388953

Diamond specifications and retailer prices

From £1,442 GBP
As of November 5, 2026
Save £730 GBP (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,172 GBP at Yorxs · As of November 3, 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1505388953. Listed at 5 retailers as of November 3, 2026, with prices from £1,442 to £2,172, a £730 spread on the same certified stone. Yorxs lists it at £2,172. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1505388953
Dimensions7.02 × 5.42 × 3.68 mm
L/W Ratio1.30
Key to symbols
Feather, Crystal, Cavity, Needle, Natural
Top View
7.02 mm5.42 mm1.00 ctD / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1505388953
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.8%

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 5
Current: £1,597 GBP|Low: £1,197 GBP|High: £2,182 GBP|Avg: £1,655 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 3, 2026
Retailer 2£1,201 GBP
Retailer 4£1,442 GBP
Retailer 3£1,520 GBP
Retailer 1£1,597 GBP
Retailer 5£1,900 GBP
Yorxs£2,172 GBP

36 data points across 6 retailers

5 retailers£1,442 GBP to £2,172 GBP

Retailer 1
-
£1,201 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
£1,442 GBP
View
B+
Retailer 3
-
£1,520 GBP
View
Retailer 4
-
£1,597 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Yorxs
13B5EE241 · Nov 3
£2,172 GBP
€2,769 EUR
View
4 more retailers have this diamond
Prices start from £1,442 GBPSave up to £730 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
£1,442 GBP