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Radiant|Natural|GIA

0.80ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6445864500

Certificate GIA 6445864500

Diamond specifications and retailer prices

From £1,413 GBP
$1,896 USD
As of October 27, 2026
Save £607 GBP (30%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,020 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.8ct natural radiant diamond

This 0.8ct natural radiant sits in the just-under-one-carat band, graded F 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 6445864500. Listed at 10 retailers as of October 27, 2026, with prices from £1,413 to £2,020, a £607 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,020. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle33.9°
OriginNatural
Grading LabGIA
CertificateGIA 6445864500
Dimensions5.78 × 4.70 × 3.24 mm
L/W Ratio1.23
Culet sizeNone
Top View
5.78 mm4.70 mm0.80 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6445864500
Side View
Table 69.0%CrownGirdle: Very ThickPavilion 33.9°Culet: NoneDepth 68.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,748 GBP|Low: £1,289 GBP|High: £2,020 GBP|Avg: £1,602 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 29, 2026
Retailer 9£1,289 GBP
Retailer 3£1,413 GBP
Retailer 4£1,498 GBP
Retailer 5£1,498 GBP
Retailer 6£1,550 GBP
Retailer 7£1,607 GBP
Retailer 8£1,619 GBP
Retailer 1£1,748 GBP
Retailer 2£1,797 GBP
Wholesale Diamonds Direct£2,020 GBP

35 data points across 10 retailers

10 retailers£1,413 GBP to £2,020 GBP

B+
Cheapest Retailer
-
£1,413 GBP
$1,896 USD
B+
Retailer 2
-
£1,498 GBP
$2,010 USD
View
B+
Retailer 3
-
£1,498 GBP
$2,010 USD
View
B+
Retailer 4
-
£1,550 GBP
$2,080 USD
View
B
Retailer 5
-
£1,607 GBP
$2,156 USD
View
B
Retailer 6
-
£1,619 GBP
CA$3,018 CAD
View
B
Retailer 7
-
£1,748 GBP
View
B
Retailer 8
-
£1,797 GBP
€2,297 EUR
View
Retailer 9
-
£2,020 GBP
$2,710 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Wholesale Diamonds Direct
512328649 · Oct 27
£2,020 GBP
$2,710 USD
View
9 more retailers have this diamond
Prices start from £1,413 GBPSave up to £607 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.

B+
0.80ct Radiant
£1,413 GBP