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Round|Natural|GIA

0.80ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2566394189

Certificate GIA 2566394189

Diamond specifications and retailer prices

From £653 GBP
As of November 4, 2026
Save £406 GBP (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,059 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 0.8ct natural round diamond

This 0.8ct 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 2566394189. Listed at 13 retailers as of November 4, 2026, with prices from £653 to £1,059, a £406 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,059. 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

0.80
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566394189
Dimensions5.90 × 5.94 × 3.69 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.90 mm5.94 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566394189
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 4
Current: £820 GBP|Low: £653 GBP|High: £1,087 GBP|Avg: £803 GBP|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 10£653 GBP
Retailer 12£676 GBP
Retailer 6£678 GBP
Retailer 9£684 GBP
Retailer 11£702 GBP
Retailer 3£712 GBP
Retailer 7£749 GBP
Retailer 2£814 GBP
Retailer 1£820 GBP
Retailer 8£910 GBP
Retailer 5£941 GBP
Retailer 4£1,016 GBP
Wholesale Diamonds Direct£1,059 GBP

27 data points across 13 retailers

13 retailers£653 GBP to £1,059 GBP

A
Cheapest Retailer
-
£653 GBP
A
Retailer 2
-
£676 GBP
View
A
Retailer 3
-
£678 GBP
View
A
Retailer 4
-
£684 GBP
View
A
Retailer 5
-
£702 GBP
View
A
Retailer 6
-
£712 GBP
View
A
Retailer 7
-
£749 GBP
View
B+
Retailer 8
-
£814 GBP
View
B+
Retailer 9
-
£820 GBP
View
B+
Retailer 10
-
£910 GBP
View
B+
Retailer 11
-
£941 GBP
View
B+
Retailer 12
-
£1,016 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
611334247 · Nov 4
£1,059 GBP
$1,426 USD
View
12 more retailers have this diamond
Prices start from £653 GBPSave up to £406 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
0.80ct Round
£653 GBP