Radiant|Natural|GIA

3.03ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6565679168

Certificate GIA 6565679168

Diamond specifications and retailer prices

From £20,053 GBP
As of November 4, 2026
Save £20,688 GBP (51%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £40,741 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.03ct natural radiant diamond

This 3.03ct natural radiant sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565679168. Listed at 21 retailers as of November 2, 2026, with prices from £20,053 to £40,741, a £20,688 spread on the same certified stone. With Clarity lists it at £40,741. 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

3.03
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565679168
Dimensions9.79 × 7.53 × 5.17 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
9.79 mm7.53 mm3.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565679168
Side View
Table 67.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 68.6%

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 4
Current: £24,916 GBP|Low: £20,053 GBP|High: £40,741 GBP|Avg: £25,706 GBP
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
With Clarity
November 5, 2026
Retailer 12£20,053 GBP
Retailer 16£20,363 GBP
Retailer 7£22,241 GBP
Retailer 4£22,511 GBP
Retailer 14£22,566 GBP
Retailer 6£22,665 GBP
Retailer 3£23,334 GBP
Retailer 2£23,814 GBP
Retailer 10£24,012 GBP
Retailer 8£24,357 GBP
Retailer 9£24,726 GBP
Retailer 17£24,882 GBP
Retailer 1£24,916 GBP
Retailer 11£25,962 GBP
Retailer 13£26,786 GBP
Retailer 15£27,066 GBP
Retailer 5£27,523 GBP
Retailer 20£27,816 GBP
Retailer 19£29,039 GBP
Retailer 18£34,984 GBP
With Clarity£40,741 GBP

9 data points across 21 retailers

21 retailers£20,053 GBP to £40,741 GBP

A
Cheapest Retailer
-
£20,053 GBP
A
Retailer 2
-
£20,363 GBP
View
A
Retailer 3
-
£22,241 GBP
View
A
Retailer 4
-
£22,434 GBP
View
A
Retailer 5
-
£22,511 GBP
View
A
Retailer 6
-
£22,566 GBP
View
B+
Retailer 7
-
£23,334 GBP
View
B+
Retailer 8
-
£23,814 GBP
View
B+
Retailer 9
-
£24,012 GBP
View
B+
Retailer 10
-
£24,357 GBP
View
Retailer 11
-
£24,726 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£24,882 GBP
View
B+
Retailer 13
-
£24,916 GBP
View
B+
Retailer 14
-
£25,962 GBP
View
B+
Retailer 15
-
£26,786 GBP
View
B+
Retailer 16
-
£27,066 GBP
View
B+
Retailer 17
-
£27,523 GBP
View
B+
Retailer 18
-
£27,816 GBP
View
B
Retailer 19
-
£29,039 GBP
View
B
Retailer 20
-
£34,984 GBP
View
Most Expensive
B
With Clarity
6565679168 · Nov 2
£40,741 GBP
$54,532 USD
View
20 more retailers have this diamond
Prices start from £20,053 GBPSave up to £20,688 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
3.03ct Radiant
£20,053 GBP