Cushion|Natural|GIA

1.00ct G I1 Cushion Natural Diamond

EX • G/I1 • GIA 5456305895

Certificate GIA 5456305895

Diamond specifications and retailer prices

From £1,052 GBP
$1,410 USD
As of November 1, 2026
Save £660 GBP (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,712 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 G 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 5456305895. Listed at 8 retailers as of October 31, 2026, with prices from £1,052 to £1,712, a £660 spread on the same certified stone. Yorxs lists it at £1,712. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5456305895
Dimensions5.43 × 5.42 × 3.96 mm
L/W Ratio1.00
Top View
5.43 mm5.42 mm1.00 ctG / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5456305895
Side View
Table 66.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 73.0%

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 1
Current: £1,135 GBP|Low: £1,015 GBP|High: £1,712 GBP|Avg: £1,286 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 31, 2026
Retailer 2£1,015 GBP
Retailer 6£1,052 GBP
Retailer 3£1,118 GBP
Retailer 1£1,135 GBP
Retailer 5£1,243 GBP
Retailer 7£1,343 GBP
Retailer 8£1,343 GBP
Retailer 9£1,388 GBP
Retailer 4£1,491 GBP
Yorxs£1,712 GBP

18 data points across 10 retailers

8 retailers£1,052 GBP to £1,712 GBP

Retailer 1
-
£1,015 GBP
$1,360 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
£1,052 GBP
$1,410 USD
View
B+
Retailer 3
-
£1,135 GBP
$1,521 USD
View
B+
Retailer 4
-
£1,243 GBP
$1,665 USD
View
B+
Retailer 5
-
£1,343 GBP
$1,800 USD
View
B+
Retailer 6
-
£1,343 GBP
$1,800 USD
View
B+
Retailer 7
-
£1,388 GBP
$1,860 USD
View
Most Expensive
B
Yorxs
C740DFAD2 · Oct 31
£1,712 GBP
€2,185 EUR
View
7 more retailers have this diamond
Prices start from £1,052 GBPSave up to £660 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