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Radiant|Natural|GIA

2.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1553785126

Certificate GIA 1553785126

Diamond specifications and retailer prices

From £14,694 GBP
$19,688 USD
As of October 31, 2026
Save £2,987 GBP (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £17,681 GBP at 77 Diamonds · As of November 1, 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 H 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 1553785126. Listed at 4 retailers as of October 31, 2026, with prices from £14,694 to £17,681, a £2,987 spread on the same certified stone. 77 Diamonds lists it at £17,681. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553785126
Dimensions8.89 × 6.84 × 4.57 mm
L/W Ratio1.30
Top View
8.89 mm6.84 mm2.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553785126
Side View
Table 71.0%CrownGirdlePavilionCuletDepth 66.8%

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 31
Current: £17,681 GBP|Low: £14,694 GBP|High: £17,859 GBP|Avg: £16,268 GBP|+1.5%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£14,694 GBP
Retailer 2£16,454 GBP
77 Diamonds£17,681 GBP

35 data points across 3 retailers

4 retailers£14,694 GBP to £17,681 GBP

B+
Cheapest Retailer
-
£14,694 GBP
$19,688 USD
B+
Retailer 2
-
£15,031 GBP
A$30,983 AUD
View
B+
Retailer 3
-
£16,454 GBP
$22,046 USD
View
Most Expensive
B+
77 Diamonds
RADMBYW8AXVRW · Nov 1
£17,681 GBP
View
3 more retailers have this diamond
Prices start from £14,694 GBPSave up to £2,987 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+
2.50ct Radiant
£14,694 GBP