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Round|Natural|GIA

0.91ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7558813954

Certificate GIA 7558813954

Diamond specifications and retailer prices

From £516 GBP
As of November 5, 2026
Save £403 GBP (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £919 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 0.91ct natural round diamond

This 0.91ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558813954. Listed at 10 retailers as of November 4, 2026, with prices from £516 to £919, a £403 spread on the same certified stone. Wholesale Diamonds Direct lists it at £919. 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

0.91
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558813954
Dimensions6.14 × 6.17 × 3.86 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.14 mm6.17 mm0.91 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558813954
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 5
Current: £516 GBP|Low: £409 GBP|High: £1,011 GBP|Avg: £725 GBP|-8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 5, 2026
Retailer 3£409 GBP
Retailer 1£516 GBP
Retailer 5£554 GBP
Retailer 7£594 GBP
Retailer 9£603 GBP
Retailer 6£617 GBP
Retailer 8£698 GBP
Retailer 2£765 GBP
Retailer 4£788 GBP
Retailer 10£912 GBP
Wholesale Diamonds Direct£919 GBP
Retailer 11£984 GBP

29 data points across 12 retailers

10 retailers£516 GBP to £919 GBP

A
Cheapest Retailer
-
£516 GBP
A
Retailer 2
-
£554 GBP
View
A
Retailer 3
-
£594 GBP
View
A
Retailer 4
-
£603 GBP
View
A
Retailer 5
-
£617 GBP
View
A
Retailer 6
-
£698 GBP
View
B+
Retailer 7
-
£765 GBP
View
A
Retailer 8
-
£788 GBP
View
B+
Retailer 9
-
£912 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
642218251 · Nov 4
£919 GBP
$1,237 USD
View
9 more retailers have this diamond
Prices start from £516 GBPSave up to £403 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
0.91ct Round
£516 GBP