Round|Natural|GIA

0.90ct G I1 Round Natural Diamond

EX • G/I1 • GIA 2557701792

Certificate GIA 2557701792

Diamond specifications and retailer prices

From £1,038 GBP
$1,391 USD
As of October 30, 2026
Save £629 GBP (38%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,988 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2557701792. Listed at 10 retailers as of October 30, 2026, with a 61% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557701792
Dimensions6.18 × 6.20 × 3.84 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather
Top View
6.18 mm6.20 mm0.90 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557701792
Side View
Table 58.0%Crown 34.5°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Oct 30
Current: £1,667 GBP|Low: £1,038 GBP|High: £1,697 GBP|Avg: £1,358 GBP|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2£1,038 GBP
Retailer 4£1,328 GBP
Retailer 5£1,328 GBP
Retailer 6£1,373 GBP
Retailer 3£1,407 GBP
Retailer 1£1,667 GBP

18 data points across 6 retailers

10 retailers£1,038 GBP to £1,667 GBP

B+
Cheapest Retailer
-
£1,038 GBP
$1,391 USD
Retailer 2
-
£1,110 GBP
$1,487 USD
View
Price last confirmed 23 days ago
Retailer 3
-
£1,199 GBP
$1,607 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£1,281 GBP
$1,716 USD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
£1,328 GBP
$1,780 USD
View
B+
Retailer 6
-
£1,328 GBP
$1,780 USD
View
B+
Retailer 7
-
£1,373 GBP
$1,840 USD
View
B+
Retailer 8
-
£1,407 GBP
$1,885 USD
View
B
Retailer 9
-
£1,667 GBP
€2,127 EUR
View
Most Expensive
NZ Jewellers
d8fcd38b-dda6-407c-b749-4787f1c3b0f0 · Sep 28
£2,988 GBP
$4,004 USD
View
Price last confirmed 34 days ago
9 more retailers have this diamond
Prices start from £1,038 GBPSave up to £629 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+
0.90ct Round
£1,038 GBP