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Round|Natural|GIA

0.80ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7402454803

Certificate GIA 7402454803

Diamond specifications and retailer prices

From £670 GBP
As of November 6, 2026
Save £1,519 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,189 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7402454803. Listed at 15 retailers as of November 5, 2026, with prices from £670 to £2,189, a £1,519 spread on the same certified stone. NZ Jewellers lists it at £2,189. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7402454803
Dimensions5.91 × 5.92 × 3.70 mm
L/W Ratio1.00
Top View
5.91 mm5.92 mm0.80 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7402454803
Side View
Table 56.0%Crown 36.5°Girdle: NULPavilion 40.6°Culet: NoneDepth 62.6%

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: Nov 6
Current: £670 GBP|Low: £670 GBP|High: £1,664 GBP|Avg: £1,083 GBP|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£670 GBP
Retailer 7£828 GBP
Retailer 5£1,008 GBP
Retailer 4£1,075 GBP
Retailer 3£1,176 GBP
Retailer 2£1,184 GBP
Retailer 6£1,638 GBP

28 data points across 7 retailers

15 retailers£670 GBP to £2,189 GBP

A
Cheapest Retailer
-
£670 GBP
A
Retailer 2
-
£801 GBP
View
A
Retailer 3
-
£828 GBP
View
Final sale: no returns
A
Retailer 4
-
£860 GBP
View
Retailer 5
-
£898 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£898 GBP
View
A
Retailer 7
-
£932 GBP
View
B+
Retailer 8
-
£997 GBP
View
B+
Retailer 9
-
£1,008 GBP
View
B+
Retailer 10
-
£1,036 GBP
View
B+
Retailer 11
-
£1,075 GBP
View
B+
Retailer 12
-
£1,176 GBP
View
B+
Retailer 13
-
£1,184 GBP
View
B
Retailer 14
-
£1,638 GBP
View
Most Expensive
B
NZ Jewellers
c27fa766-4ec5-479f-b491-aec51e6e308e · Nov 5
£2,189 GBP
$2,946 USD
View
14 more retailers have this diamond
Prices start from £670 GBPSave up to £1,519 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
£670 GBP