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Round|Natural|GIA

0.90ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6451569233

Certificate GIA 6451569233

Diamond specifications and retailer prices

From £1,373 GBP
$1,840 USD
As of November 1, 2026
Save £800 GBP (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,653 GBP at NZ Jewellers · As of October 30, 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 6451569233. Listed at 12 retailers as of November 1, 2026, with a 58% 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
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6451569233
Dimensions6.15 × 6.12 × 3.83 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
6.15 mm6.12 mm0.90 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451569233
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: £3,653 GBP|Low: £1,334 GBP|High: £3,653 GBP|Avg: £1,860 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 6£1,334 GBP
Retailer 7£1,373 GBP
Retailer 9£1,404 GBP
Retailer 5£1,430 GBP
Retailer 10£1,583 GBP
Retailer 12£1,583 GBP
Retailer 8£1,656 GBP
Retailer 3£1,814 GBP
Retailer 4£1,814 GBP
Retailer 11£1,826 GBP
Retailer 14£1,873 GBP
Retailer 2£2,173 GBP
Retailer 13£2,495 GBP
NZ Jewellers£3,653 GBP

19 data points across 14 retailers

12 retailers£1,373 GBP to £2,173 GBP

B+
Cheapest Retailer
-
£1,373 GBP
$1,840 USD
B+
Retailer 2
-
£1,404 GBP
$1,881 USD
View
B
Retailer 3
-
£1,430 GBP
$1,916 USD
View
B
Retailer 4
-
£1,583 GBP
$2,121 USD
View
B
Retailer 5
-
£1,583 GBP
$2,121 USD
View
B
Retailer 6
-
£1,656 GBP
$2,219 USD
View
B
Retailer 7
-
£1,814 GBP
$2,430 USD
View
B
Retailer 8
-
£1,814 GBP
$2,430 USD
View
B
Retailer 9
-
£1,826 GBP
$2,447 USD
View
B
Retailer 10
-
£1,873 GBP
$2,510 USD
View
B
Retailer 11
-
£2,173 GBP
€2,773 EUR
View
Most Expensive
NZ Jewellers
28d0dc31-32fa-4305-85c5-59a5c8348c40 · Oct 30
£3,653 GBP
$4,895 USD
View
Price under review
11 more retailers have this diamond
Prices start from £1,373 GBPSave up to £800 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
£1,373 GBP