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Cushion|Natural|GIA

1.00ct H I1 Cushion Natural Diamond

ID • H/I1 • GIA 2506388930

Certificate GIA 2506388930

Diamond specifications and retailer prices

From £1,253 GBP
$1,679 USD
As of November 1, 2026
Save £625 GBP (33%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,878 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2506388930. Listed at 4 retailers as of October 31, 2026, with prices from £1,253 to £1,878, a £625 spread on the same certified stone. Yorxs lists it at £1,878. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2506388930
Dimensions7.15 × 5.43 × 3.57 mm
L/W Ratio1.32
Top View
7.15 mm5.43 mm1.00 ctH / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2506388930
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,034 GBP|Low: £1,030 GBP|High: £1,878 GBP|Avg: £1,442 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 31, 2026
Retailer 1£1,034 GBP
Retailer 3£1,253 GBP
Retailer 2£1,334 GBP
Retailer 4£1,636 GBP
Yorxs£1,878 GBP

37 data points across 5 retailers

4 retailers£1,253 GBP to £1,878 GBP

Retailer 1
-
£1,034 GBP
₹131,912 INR
Price last confirmed 10 days ago
B
Retailer 2
-
£1,253 GBP
$1,679 USD
View
B
Retailer 3
-
£1,334 GBP
$1,787 USD
View
Most Expensive
B
Yorxs
033E3CEB3 · Oct 31
£1,878 GBP
€2,397 EUR
View
3 more retailers have this diamond
Prices start from £1,253 GBPSave up to £625 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
£1,253 GBP