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Radiant|Natural|GIA

0.80ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6555490899

Certificate GIA 6555490899

Diamond specifications and retailer prices

From £645 GBP
₹82,351 INR
As of October 30, 2026
Save £1,468 GBP (69%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,113 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural radiant diamond

This 0.8ct natural radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555490899. Listed at 21 retailers as of October 30, 2026, with prices from £645 to £2,113, a £1,468 spread on the same certified stone. NZ Jewellers lists it at £2,113. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555490899
Dimensions6.87 × 4.54 × 3.00 mm
L/W Ratio1.51
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.87 mm4.54 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555490899
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.0%

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 30
Current: £645 GBP|Low: £641 GBP|High: £1,627 GBP|Avg: £973 GBP|-3.9%
Retailer 1
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
October 30, 2026
Retailer 1£645 GBP
Retailer 5£676 GBP
Retailer 14£783 GBP
Retailer 2£830 GBP
Retailer 13£832 GBP
Retailer 15£840 GBP
Retailer 4£843 GBP
Retailer 7£866 GBP
Retailer 6£950 GBP
Retailer 8£988 GBP
Retailer 11£1,057 GBP
Retailer 3£1,103 GBP
Retailer 10£1,212 GBP
Retailer 12£1,278 GBP
Retailer 9£1,595 GBP

26 data points across 15 retailers

21 retailers£645 GBP to £2,113 GBP

A
Cheapest Retailer
-
£645 GBP
₹82,351 INR
A
Retailer 2
-
£676 GBP
$906 USD
View
Final sale: no returns
A
Retailer 3
-
£783 GBP
$1,049 USD
View
A
Retailer 4
-
£830 GBP
$1,112 USD
View
A
Retailer 5
-
£832 GBP
$1,115 USD
View
A
Retailer 6
-
£840 GBP
$1,126 USD
View
A
Retailer 7
-
£843 GBP
$1,130 USD
View
A
Retailer 8
-
£866 GBP
$1,161 USD
View
A
Retailer 9
-
£866 GBP
$1,161 USD
View
A
Retailer 10
-
£899 GBP
$1,205 USD
View
A
Retailer 11
-
£950 GBP
$1,273 USD
View
A
Retailer 12
-
£988 GBP
View
A
Retailer 13
-
£999 GBP
$1,339 USD
View
Retailer 14
-
£1,040 GBP
$1,394 USD
View
Price last confirmed 54 days ago
A
Retailer 15
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£1,057 GBP
View
A
Retailer 16
-
£1,103 GBP
$1,477 USD
View
Retailer 17
-
£1,148 GBP
A$2,367 AUD
View
Price last confirmed 26 days ago
A
Retailer 18
-
£1,212 GBP
€1,546 EUR
View
A
Retailer 19
-
£1,278 GBP
ZAR 27,668 ZAR
View
B+
Retailer 20
-
£1,595 GBP
View
Most Expensive
B
NZ Jewellers
e6140b8c-5d5a-4cdf-b400-a199774d10d7 · Oct 30
£2,113 GBP
$2,831 USD
View
20 more retailers have this diamond
Prices start from £645 GBPSave up to £1,468 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 Radiant
£645 GBP