Cushion|Natural|GIA

1.00ct G I1 Cushion Natural Diamond

EX • G/I1 • GIA 1319068878

Certificate GIA 1319068878

Diamond specifications and retailer prices

From £1,271 GBP
HK$13,300 HKD
As of November 1, 2026
Save £801 GBP (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,072 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 1319068878. Listed at 4 retailers as of October 31, 2026, with prices from £1,271 to £2,072, a £801 spread on the same certified stone. Yorxs lists it at £2,072. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1319068878
Dimensions5.46 × 5.45 × 3.96 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot, Indented Natural, Needle, Cavity, Natural
Top View
5.46 mm5.45 mm1.00 ctG / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1319068878
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.7%

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: £1,271 GBP|Low: £1,261 GBP|High: £2,072 GBP|Avg: £1,607 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 31, 2026
Retailer 1£1,271 GBP
Retailer 4£1,370 GBP
Retailer 2£1,517 GBP
Retailer 5£1,536 GBP
Retailer 3£1,829 GBP
Yorxs£2,072 GBP

10 data points across 6 retailers

4 retailers£1,271 GBP to £2,072 GBP

B+
Cheapest Retailer
-
£1,271 GBP
HK$13,300 HKD
B+
Retailer 2
-
£1,370 GBP
$1,836 USD
View
B
Retailer 3
-
£1,517 GBP
$2,033 USD
View
Most Expensive
B
Yorxs
097ECAB9C · Oct 31
£2,072 GBP
€2,644 EUR
View
3 more retailers have this diamond
Prices start from £1,271 GBPSave up to £801 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
£1,271 GBP