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Cushion|Natural|GIA

1.05ct H IF Cushion Natural Diamond

EX • H/IF • GIA 6512303049

Certificate GIA 6512303049

Diamond specifications and retailer prices

From £1,369 GBP
As of November 6, 2026
Save £459 GBP (25%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,827 GBP at GS Diamonds · As of November 5, 2026
View at GS Diamonds

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512303049. Listed at 8 retailers as of November 5, 2026, with prices from £1,369 to £1,827, a £459 spread on the same certified stone. GS Diamonds lists it at £1,827. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512303049
Dimensions6.03 × 5.54 × 3.70 mm
L/W Ratio1.09
Top View
6.03 mm5.54 mm1.05 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512303049
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,827 GBP|Low: £1,236 GBP|High: £2,197 GBP|Avg: £1,585 GBP|-15.6%
GS Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£1,369 GBP
Retailer 4£1,378 GBP
Retailer 7£1,391 GBP
Retailer 2£1,490 GBP
Retailer 6£1,592 GBP
Retailer 5£1,647 GBP
GS Diamonds£1,827 GBP

45 data points across 7 retailers

8 retailers£1,369 GBP to £1,827 GBP

A
Cheapest Retailer
-
£1,369 GBP
A
Retailer 2
-
£1,378 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,391 GBP
View
A
Retailer 4
-
£1,490 GBP
View
A
Retailer 5
-
£1,592 GBP
View
A
Retailer 6
-
£1,597 GBP
View
A
Retailer 7
-
£1,647 GBP
View
Most Expensive
A
GS Diamonds
AN1E-100760953212 · Nov 5
£1,827 GBP
A$3,784 AUD
View
7 more retailers have this diamond
Prices start from £1,369 GBPSave up to £459 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
1.05ct Cushion
£1,369 GBP