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0.80ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5566395102

Certificate GIA 5566395102

Diamond specifications and retailer prices

From £698 GBP
SGD 1,263 SGD
As of October 31, 2026
Save £581 GBP (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,278 GBP at Wholesale Diamonds Direct · As of October 26, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566395102. Listed at 9 retailers as of October 26, 2026, with prices from £698 to £1,278, a £581 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,278. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5566395102
Dimensions5.94 × 3.69 × 3.69 mm
L/W Ratio1.61
Culet sizeNone
Top View
5.94 mm3.69 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566395102
Side View
Table 57.0%Crown 34°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.0%

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: Oct 31
Current: £1,132 GBP|Low: £698 GBP|High: £1,395 GBP|Avg: £1,055 GBP|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 1, 2026
Retailer 6£698 GBP
Retailer 3£785 GBP
Retailer 4£825 GBP
Retailer 8£854 GBP
Retailer 2£1,081 GBP
Retailer 1£1,132 GBP
Retailer 7£1,155 GBP
Retailer 5£1,196 GBP
Wholesale Diamonds Direct£1,278 GBP

24 data points across 9 retailers

9 retailers£698 GBP to £1,278 GBP

A
Cheapest Retailer
-
£698 GBP
SGD 1,263 SGD
A
Retailer 2
-
£785 GBP
$1,052 USD
View
A
Retailer 3
-
£825 GBP
$1,106 USD
View
A
Retailer 4
-
£854 GBP
SGD 1,547 SGD
View
B+
Retailer 5
-
£1,081 GBP
View
B+
Retailer 6
-
£1,132 GBP
€1,445 EUR
View
B+
Retailer 7
-
£1,155 GBP
$1,547 USD
View
B+
Retailer 8
-
£1,196 GBP
$1,603 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
611346606 · Oct 26
£1,278 GBP
$1,713 USD
View
8 more retailers have this diamond
Prices start from £698 GBPSave up to £581 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
£698 GBP