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Marquise|Natural|GIA

2.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1519129700

Certificate GIA 1519129700

Diamond specifications and retailer prices

From $30,942 USD
As of November 2, 2026
Save $21,777 USD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $52,719 USD at MOH London · As of November 2, 2026
View at MOH London

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1519129700. Listed at 12 retailers as of November 2, 2026, with prices from $30,942 to $52,719, a $21,777 spread on the same certified stone. MOH London lists it at $52,719. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1519129700
Dimensions15.16 × 6.77 × 4.05 mm
L/W Ratio2.24
Girdle conditionFaceted
Culet sizeNone
Top View
15.16 mm6.77 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1519129700
Side View
Table 59.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 59.8%

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: $52,719 USD|Low: $30,248 USD|High: $53,354 USD|Avg: $37,147 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7$30,942 USD
Retailer 6$31,039 USD
Retailer 2$34,342 USD
Retailer 9$35,162 USD
Retailer 8$35,444 USD
Retailer 3$35,580 USD
Retailer 4$35,580 USD
Retailer 10$36,569 USD
Retailer 12$36,770 USD
Retailer 11$37,975 USD
Retailer 5$39,984 USD
MOH London$52,719 USD

43 data points across 12 retailers

12 retailers$30,942 USD to $52,719 USD

A
Cheapest Retailer
-
$30,942 USD
Final sale: no returns
A
Retailer 2
-
$31,039 USD
View
B+
Retailer 3
-
$34,342 USD
£27,041 GBP
View
B+
Retailer 4
-
$35,162 USD
View
B+
Retailer 5
-
$35,444 USD
View
B+
Retailer 6
-
$35,580 USD
View
B+
Retailer 7
-
$35,580 USD
View
B+
Retailer 8
-
$36,569 USD
View
B+
Retailer 9
-
$36,770 USD
View
B+
Retailer 10
-
$37,975 USD
View
B+
Retailer 11
-
$39,984 USD
€38,080 EUR
View
Most Expensive
B
MOH London
969D72DD3 · Nov 2
$52,719 USD
£41,511 GBP
View
11 more retailers have this diamond
Prices start from $30,942 USDSave up to $21,777 USD

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
2.50ct Marquise
$30,942 USD