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Round|Natural|GIA

2.53ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6541373747

Certificate GIA 6541373747

Diamond specifications and retailer prices

From $30,781 AUD
$21,622 USD
As of October 31, 2026
Save $24,084 AUD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $54,865 AUD 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 $30,781 to $54,865, a $24,084 spread on the same certified stone. MOH London lists it at $54,865. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $54,865 AUD|Low: $30,781 AUD|High: $58,285 AUD|Avg: $38,480 AUD|-5.9%
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 2, 2026
Retailer 5$30,781 AUD
Retailer 10$32,303 AUD
Retailer 12$33,392 AUD
Retailer 11$33,667 AUD
Retailer 2$35,790 AUD
Retailer 6$36,598 AUD
Retailer 9$37,754 AUD
Retailer 13$37,754 AUD
Retailer 4$39,021 AUD
Retailer 8$39,305 AUD
Retailer 3$41,410 AUD
Retailer 7$42,437 AUD
MOH London$54,865 AUD

34 data points across 13 retailers

19 retailers$30,781 AUD to $54,865 AUD

B+
Cheapest Retailer
-
$30,781 AUD
$21,622 USD
B+
Retailer 2
-
$32,303 AUD
$22,691 USD
View
B+
Retailer 3
-
$33,392 AUD
CA$32,578 CAD
View
B+
Retailer 4
-
$33,667 AUD
$23,649 USD
View
Final sale: no returns
B+
Retailer 5
-
$35,790 AUD
£19,796 GBP
View
B
Retailer 6
-
$36,598 AUD
$25,708 USD
View
B+
Retailer 7
-
$37,754 AUD
$26,520 USD
View
B+
Retailer 8
-
$37,754 AUD
$26,520 USD
View
Retailer 9
-
$38,719 AUD
$27,198 USD
View
Price last confirmed 33 days ago
Retailer 10
-
$38,958 AUD
$27,366 USD
View
Price last confirmed 25 days ago
Retailer 11
-
$38,958 AUD
$27,366 USD
View
Price last confirmed 39 days ago
B
Retailer 12
-
$39,021 AUD
$27,410 USD
View
B+
Retailer 13
-
$39,305 AUD
£21,740 GBP
View
Retailer 14
-
$40,456 AUD
$28,418 USD
View
Price last confirmed 39 days ago
Retailer 15
-
$40,456 AUD
$28,418 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$41,410 AUD
$29,088 USD
View
B
Retailer 17
-
$42,437 AUD
€28,390 EUR
View
Retailer 18
-
$50,945 AUD
$35,786 USD
View
Price last confirmed 36 days ago
Most Expensive
B
MOH London
F3F42B226 · Nov 1
$54,865 AUD
£30,346 GBP
View
18 more retailers have this diamond
Prices start from $30,781 AUDSave up to $24,084 AUD

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
$30,781 AUD