Round|Natural|GIA

2.53ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6541373747

Certificate GIA 6541373747

Diamond specifications and retailer prices

From £16,137 GBP
$21,622 USD
As of October 31, 2026
Save £12,626 GBP (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £28,763 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.53ct natural round diamond

This 2.53ct 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 6541373747. Listed at 19 retailers as of October 31, 2026, with prices from £16,137 to £28,763, a £12,626 spread on the same certified stone. MOH London lists it at £28,763. 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

2.53
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6541373747
Dimensions8.69 × 8.74 × 5.44 mm
L/W Ratio1.01
Top View
8.69 mm8.74 mm2.53 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541373747
Side View
Table 57.0%Crown 35°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 62.4%

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: £28,763 GBP|Low: £16,137 GBP|High: £30,556 GBP|Avg: £20,258 GBP|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5£16,137 GBP
Retailer 10£16,935 GBP
Retailer 8£16,940 GBP
Retailer 12£17,506 GBP
Retailer 11£17,650 GBP
Retailer 6£18,763 GBP
Retailer 9£19,793 GBP
Retailer 13£19,793 GBP
Retailer 4£20,457 GBP
Retailer 2£20,606 GBP
Retailer 3£21,709 GBP
Retailer 7£22,346 GBP
MOH London£28,763 GBP

34 data points across 13 retailers

19 retailers£16,137 GBP to £28,763 GBP

B+
Cheapest Retailer
-
£16,137 GBP
$21,622 USD
B+
Retailer 2
-
£16,935 GBP
$22,691 USD
View
B+
Retailer 3
-
£16,940 GBP
$22,698 USD
View
B+
Retailer 4
-
£17,506 GBP
CA$32,578 CAD
View
B+
Retailer 5
-
£17,650 GBP
$23,649 USD
View
Final sale: no returns
B+
Retailer 6
-
£18,763 GBP
View
B+
Retailer 7
-
£19,793 GBP
$26,520 USD
View
B+
Retailer 8
-
£19,793 GBP
$26,520 USD
View
Retailer 9
-
£20,299 GBP
$27,198 USD
View
Price last confirmed 33 days ago
Retailer 10
-
£20,424 GBP
$27,366 USD
View
Price last confirmed 25 days ago
Retailer 11
-
£20,424 GBP
$27,366 USD
View
Price last confirmed 39 days ago
B
Retailer 12
-
£20,457 GBP
$27,410 USD
View
B+
Retailer 13
-
£20,606 GBP
View
Retailer 14
-
£21,209 GBP
$28,418 USD
View
Price last confirmed 39 days ago
Retailer 15
-
£21,209 GBP
$28,418 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
£21,709 GBP
$29,088 USD
View
B
Retailer 17
-
£22,346 GBP
€28,516 EUR
View
Retailer 18
-
£26,708 GBP
$35,786 USD
View
Price last confirmed 36 days ago
Most Expensive
B
MOH London
F3F42B226 · Nov 1
£28,763 GBP
View
18 more retailers have this diamond
Prices start from £16,137 GBPSave up to £12,626 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+
2.53ct Round
£16,137 GBP