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Radiant|Natural|GIA

2.05ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6515751042

Certificate GIA 6515751042

Diamond specifications and retailer prices

From £8,433 GBP
CA$15,718 CAD
As of November 2, 2026
Save £10,278 GBP (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £18,711 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 2.05ct natural radiant diamond

This 2.05ct natural radiant sits in the two to three 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 6515751042. Listed at 5 retailers as of November 2, 2026, with prices from £8,433 to £18,711, a £10,278 spread on the same certified stone. 77 Diamonds lists it at £18,711. 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

2.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6515751042
Dimensions9.58 × 5.84 × 4.02 mm
L/W Ratio1.64
Top View
9.58 mm5.84 mm2.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6515751042
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.8%

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 2
Current: £18,711 GBP|Low: £8,433 GBP|High: £18,901 GBP|Avg: £14,025 GBP|+0.1%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£8,433 GBP
Retailer 2£14,908 GBP
77 Diamonds£18,711 GBP

35 data points across 3 retailers

5 retailers£8,433 GBP to £18,711 GBP

A
Cheapest Retailer
-
£8,433 GBP
CA$15,718 CAD
B
Retailer 2
-
£14,908 GBP
$20,005 USD
View
B
Retailer 3
-
£15,802 GBP
$21,206 USD
View
B
Retailer 4
-
£16,193 GBP
A$33,431 AUD
View
Most Expensive
B
77 Diamonds
RADMBU8QHAJZR · Nov 2
£18,711 GBP
View
4 more retailers have this diamond
Prices start from £8,433 GBPSave up to £10,278 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
2.05ct Radiant
£8,433 GBP