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Round|Natural|GIA

0.90ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6452234644

Certificate GIA 6452234644

Diamond specifications and retailer prices

From £589 GBP
As of November 6, 2026
Save £1,351 GBP (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,941 GBP at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6452234644. Listed at 14 retailers as of November 5, 2026, with prices from £589 to £1,941, a £1,351 spread on the same certified stone. NZ Jewellers lists it at £1,941. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.90
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6452234644
Dimensions6.09 × 6.16 × 3.87 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.09 mm6.16 mm0.90 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6452234644
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £1,941 GBP|Low: £589 GBP|High: £1,958 GBP|Avg: £964 GBP|-0.9%
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
November 6, 2026
Retailer 5£589 GBP
Retailer 3£764 GBP
Retailer 8£796 GBP
Retailer 11£796 GBP
Retailer 9£826 GBP
Retailer 10£895 GBP
Retailer 4£899 GBP
Retailer 12£918 GBP
Retailer 13£918 GBP
Retailer 2£924 GBP
Retailer 6£1,109 GBP
Retailer 7£1,165 GBP
NZ Jewellers£1,941 GBP

38 data points across 13 retailers

14 retailers£589 GBP to £1,941 GBP

A
Cheapest Retailer
-
£589 GBP
B+
Retailer 2
-
£764 GBP
View
Retailer 3
-
£796 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£796 GBP
View
B+
Retailer 5
-
£826 GBP
View
B
Retailer 6
-
£895 GBP
View
B
Retailer 7
-
£899 GBP
View
B+
Retailer 8
-
£918 GBP
View
B+
Retailer 9
-
£918 GBP
View
B+
Retailer 10
-
£924 GBP
View
B
Retailer 11
-
£989 GBP
View
B
Retailer 12
-
£1,109 GBP
View
B
Retailer 13
-
£1,165 GBP
View
Most Expensive
B
NZ Jewellers
960abff2-d304-449b-b157-bb7f830de4c1 · Nov 5
£1,941 GBP
$2,612 USD
View
13 more retailers have this diamond
Prices start from £589 GBPSave up to £1,351 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
£589 GBP