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Marquise|Natural|HRD

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • HRD 260000164839

Certificate HRD 260000164839

Diamond specifications and retailer prices

From $20,929 AUD
₹1,396,904 INR
As of November 2, 2026
Save $16,425 AUD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $37,354 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000164839. Listed at 9 retailers as of November 1, 2026, with prices from $20,929 to $37,354, a $16,425 spread on the same certified stone. MOH London lists it at $37,354. 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

2.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000164839
Dimensions13.36 × 7.03 × 4.23 mm
L/W Ratio1.90
Culet sizeNone
Top View
13.36 mm7.03 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000164839
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.2%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $37,354 AUD|Low: $20,292 AUD|High: $37,354 AUD|Avg: $27,827 AUD|+2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$20,929 AUD
Retailer 5$24,270 AUD
Retailer 6$27,090 AUD
Retailer 3$27,894 AUD
Retailer 4$29,345 AUD
Retailer 8$29,413 AUD
Retailer 7$30,266 AUD
MOH London$37,354 AUD

28 data points across 8 retailers

9 retailers$20,929 AUD to $37,354 AUD

A
Cheapest Retailer
-
$20,929 AUD
₹1,396,904 INR
A
Retailer 2
-
$24,270 AUD
$17,009 USD
View
Retailer 3
-
$25,396 AUD
$17,798 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$27,512 AUD
$19,281 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$27,894 AUD
€18,618 EUR
View
Retailer 6
-
$28,571 AUD
$20,023 USD
View
Price last confirmed 24 days ago
A
Retailer 7
-
$29,345 AUD
$20,566 USD
View
Retailer 8
-
$32,595 AUD
$22,843 USD
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
9CC4D6CAA · Nov 1
$37,354 AUD
£20,613 GBP
View
8 more retailers have this diamond
Prices start from $20,929 AUDSave up to $16,425 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.

A
2.51ct Marquise
$20,929 AUD