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2.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6511575196

Certificate GIA 6511575196

Diamond specifications and retailer prices

From £17,029 GBP
₹2,173,095 INR
As of November 1, 2026
Save £8,665 GBP (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £25,694 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.54ct natural round diamond

This 2.54ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511575196. Listed at 5 retailers as of October 29, 2026, with prices from £17,029 to £25,694, a £8,665 spread on the same certified stone. Diamond Quarter lists it at £25,694. 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

2.54
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6511575196
Dimensions8.65 × 8.69 × 5.42 mm
L/W Ratio1.00
Top View
8.65 mm8.69 mm2.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511575196
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £17,029 GBP|Low: £16,990 GBP|High: £21,530 GBP|Avg: £19,396 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
November 1, 2026
Retailer 1£17,029 GBP
Retailer 3£19,987 GBP
Retailer 2£21,530 GBP

43 data points across 3 retailers

5 retailers£17,029 GBP to £25,694 GBP

B+
Cheapest Retailer
-
£17,029 GBP
₹2,173,095 INR
B+
Retailer 2
-
£17,289 GBP
CA$32,175 CAD
View
B+
Retailer 3
-
£19,987 GBP
View
B
Retailer 4
-
£21,530 GBP
€27,474 EUR
View
Most Expensive
B
Diamond Quarter
2.54SI1H65964F34N · Oct 29
£25,694 GBP
View
4 more retailers have this diamond
Prices start from £17,029 GBPSave up to £8,665 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+
2.54ct Round
£17,029 GBP