Round|Natural|GIA

0.90ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6512082503

Certificate GIA 6512082503

Diamond specifications and retailer prices

From £736 GBP
HK$7,700 HKD
As of November 1, 2026
Save £1,665 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,400 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 6512082503. Listed at 10 retailers as of October 30, 2026, with prices from £736 to £2,400, a £1,665 spread on the same certified stone. NZ Jewellers lists it at £2,400. 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6512082503
Dimensions6.13 × 6.17 × 3.84 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.13 mm6.17 mm0.90 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512082503
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £2,400 GBP|Low: £736 GBP|High: £2,807 GBP|Avg: £1,237 GBP|-14.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8£736 GBP
Retailer 3£738 GBP
Retailer 6£896 GBP
Retailer 5£962 GBP
Retailer 9£988 GBP
Retailer 4£1,028 GBP
Retailer 10£1,034 GBP
Retailer 7£1,114 GBP
Retailer 2£1,336 GBP
NZ Jewellers£2,400 GBP

31 data points across 10 retailers

10 retailers£736 GBP to £2,400 GBP

A
Cheapest Retailer
-
£736 GBP
HK$7,700 HKD
A
Retailer 2
-
£738 GBP
₹94,202 INR
View
A
Retailer 3
-
£896 GBP
$1,200 USD
View
B+
Retailer 4
-
£962 GBP
$1,289 USD
View
B+
Retailer 5
-
£988 GBP
$1,324 USD
View
B+
Retailer 6
-
£1,028 GBP
$1,377 USD
View
B+
Retailer 7
-
£1,034 GBP
$1,385 USD
View
B+
Retailer 8
-
£1,114 GBP
$1,493 USD
View
B+
Retailer 9
-
£1,336 GBP
€1,705 EUR
View
Most Expensive
B
NZ Jewellers
5e8c1a13-c98c-4e2a-aca9-050645626dc0 · Oct 30
£2,400 GBP
$3,216 USD
View
9 more retailers have this diamond
Prices start from £736 GBPSave up to £1,665 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
0.90ct Round
£736 GBP