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Marquise|Natural|GIA

2.50ct L SI2 Marquise Natural Diamond

EX • L/SI2

Diamond specifications and retailer prices

From $18,365 AUD
As of November 2, 2026
Save $7,725 AUD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $26,090 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 7 retailers as of November 2, 2026, with prices from $18,365 to $26,090, a $7,725 spread on the same certified stone. Yorxs lists it at $26,090. 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

2.50
Carat
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
Dimensions13.68 × 6.94 × 3.99 mm
L/W Ratio1.97
Top View
13.68 mm6.94 mm2.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 57.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $19,552 AUD|Low: $18,365 AUD|High: $26,090 AUD|Avg: $21,753 AUD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 3$18,365 AUD
Retailer 1$19,552 AUD
Retailer 5$21,230 AUD
Retailer 2$21,947 AUD
Retailer 4$25,952 AUD
Yorxs$26,090 AUD

41 data points across 6 retailers

7 retailers$18,365 AUD to $26,090 AUD

B
Cheapest Retailer
-
$18,365 AUD
B
Retailer 2
-
$19,552 AUD
View
B
Retailer 3
-
$21,230 AUD
View
B
Retailer 4
-
$21,947 AUD
View
C
Retailer 5
-
$23,073 AUD
View
Retailer 6
-
$25,952 AUD
View
Price last confirmed 7 days ago
Most Expensive
C
Yorxs
623772874 · Nov 6
$26,090 AUD
€17,394 EUR
View
6 more retailers have this diamond
Prices start from $18,365 AUDSave up to $7,725 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
2.50ct Marquise
$18,365 AUD