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Radiant|Natural|GIA

2.50ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 2566014181

Certificate GIA 2566014181

Diamond specifications and retailer prices

From £15,349 GBP
₹1,958,716 INR
As of October 31, 2026
Save £2,787 GBP (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £18,136 GBP at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 2.5ct natural radiant diamond

This 2.5ct natural radiant sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566014181. Listed at 4 retailers as of October 30, 2026, with prices from £15,349 to £18,136, a £2,787 spread on the same certified stone. 77 Diamonds lists it at £18,136. 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

2.50
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566014181
Dimensions8.81 × 6.90 × 4.81 mm
L/W Ratio1.28
Top View
8.81 mm6.90 mm2.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566014181
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £18,136 GBP|Low: £15,310 GBP|High: £18,321 GBP|Avg: £16,754 GBP|-0.7%
77 Diamonds
Retailer 2
Retailer 3
October 31, 2026
Retailer 2£15,349 GBP
Retailer 3£15,573 GBP
77 Diamonds£18,136 GBP

29 data points across 3 retailers

4 retailers£15,349 GBP to £18,136 GBP

A
Cheapest Retailer
-
£15,349 GBP
₹1,958,716 INR
A
Retailer 2
-
£15,573 GBP
CA$28,980 CAD
View
A
Retailer 3
-
£15,695 GBP
A$32,352 AUD
View
Most Expensive
B+
77 Diamonds
RADMBTKPGVXMK · Oct 30
£18,136 GBP
View
3 more retailers have this diamond
Prices start from £15,349 GBPSave up to £2,787 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
2.50ct Radiant
£15,349 GBP