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Round|Natural|GIA

0.90ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6481481864

Certificate GIA 6481481864

Diamond specifications and retailer prices

From £1,050 GBP
As of November 5, 2026
Save £2,012 GBP (66%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,144 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481481864. Listed at 21 retailers as of November 5, 2026, with a 192% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6481481864
Dimensions6.14 × 6.09 × 3.83 mm
L/W Ratio1.01
Top View
6.14 mm6.09 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6481481864
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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 5
Current: £3,144 GBP|Low: £1,050 GBP|High: £3,144 GBP|Avg: £1,565 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 12£1,050 GBP
Retailer 19£1,059 GBP
Retailer 9£1,073 GBP
Retailer 17£1,083 GBP
Retailer 14£1,094 GBP
Retailer 11£1,126 GBP
Retailer 5£1,168 GBP
Retailer 10£1,168 GBP
Retailer 8£1,221 GBP
Retailer 4£1,224 GBP
Retailer 20£1,230 GBP
Retailer 6£1,342 GBP
Retailer 3£1,347 GBP
Retailer 13£1,422 GBP
Retailer 7£1,467 GBP
Retailer 16£1,629 GBP
Retailer 21£1,844 GBP
Retailer 15£1,887 GBP
Retailer 18£2,252 GBP
Retailer 2£3,062 GBP
NZ Jewellers£3,144 GBP

40 data points across 21 retailers

21 retailers£1,050 GBP to £3,062 GBP

B+
Cheapest Retailer
-
£1,050 GBP
B+
Retailer 2
-
£1,059 GBP
View
B+
Retailer 3
-
£1,073 GBP
View
B+
Retailer 4
-
£1,083 GBP
View
B+
Retailer 5
-
£1,094 GBP
View
B+
Retailer 6
-
£1,126 GBP
View
Retailer 7
-
£1,168 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£1,168 GBP
View
B
Retailer 9
-
£1,221 GBP
View
B+
Retailer 10
-
£1,224 GBP
View
B+
Retailer 11
-
£1,230 GBP
View
B
Retailer 12
-
£1,342 GBP
View
B
Retailer 13
-
£1,347 GBP
View
B
Retailer 14
-
£1,422 GBP
View
B
Retailer 15
-
£1,467 GBP
View
B
Retailer 16
-
£1,629 GBP
View
B
Retailer 17
-
£1,844 GBP
View
B
Retailer 18
-
£1,887 GBP
View
B
Retailer 19
-
£2,252 GBP
View
B
Retailer 20
-
£3,062 GBP
View
Most Expensive
NZ Jewellers
7a3fd199-cdba-4047-bfc5-107a6c8ce558 · Nov 5
£3,144 GBP
$4,231 USD
View
Price under review
20 more retailers have this diamond
Prices start from £1,050 GBPSave up to £2,012 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
£1,050 GBP