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Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2546552229

Certificate GIA 2546552229

Diamond specifications and retailer prices

From $37,620 AUD
$26,365 USD
As of November 1, 2026
Save $29,575 AUD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $67,195 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 GIA 2546552229. Listed at 12 retailers as of November 1, 2026, with prices from $37,620 to $67,195, a $29,575 spread on the same certified stone. MOH London lists it at $67,195. 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 LabGIA
CertificateGIA 2546552229
Dimensions13.74 × 6.88 × 4.44 mm
L/W Ratio2.00
Top View
13.74 mm6.88 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546552229
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.5%

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 1
Current: $67,195 AUD|Low: $37,620 AUD|High: $68,003 AUD|Avg: $47,141 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$37,620 AUD
Retailer 7$39,171 AUD
Retailer 10$43,024 AUD
Retailer 8$43,383 AUD
Retailer 5$43,774 AUD
Retailer 11$44,818 AUD
Retailer 9$45,176 AUD
Retailer 3$46,610 AUD
Retailer 2$48,135 AUD
Retailer 4$50,420 AUD
MOH London$67,195 AUD

43 data points across 11 retailers

12 retailers$37,620 AUD to $67,195 AUD

A
Cheapest Retailer
-
$37,620 AUD
$26,365 USD
A
Retailer 2
-
$39,171 AUD
$27,452 USD
View
A
Retailer 3
-
$43,024 AUD
$30,152 USD
View
A
Retailer 4
-
$43,383 AUD
$30,404 USD
View
A
Retailer 5
-
$43,774 AUD
£24,156 GBP
View
A
Retailer 6
-
$44,818 AUD
$31,409 USD
View
B+
Retailer 7
-
$45,176 AUD
$31,660 USD
View
B+
Retailer 8
-
$46,610 AUD
$32,665 USD
View
B+
Retailer 9
-
$48,135 AUD
£26,562 GBP
View
B+
Retailer 10
-
$48,402 AUD
$33,921 USD
View
B+
Retailer 11
-
$50,420 AUD
€33,653 EUR
View
Most Expensive
B
MOH London
E5C401829 · Nov 1
$67,195 AUD
£37,080 GBP
View
11 more retailers have this diamond
Prices start from $37,620 AUDSave up to $29,575 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
$37,620 AUD