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Marquise|Natural|GIA

2.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1555532700

Certificate GIA 1555532700

Diamond specifications and retailer prices

From $36,668 USD
£28,873 GBP
As of November 2, 2026
Save $20,169 USD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $56,838 USD at MOH London · As of November 1, 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 1555532700. Listed at 13 retailers as of November 1, 2026, with prices from $36,668 to $56,838, a $20,169 spread on the same certified stone. MOH London lists it at $56,838. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555532700
Dimensions13.12 × 7.15 × 4.62 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity
Top View
13.12 mm7.15 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555532700
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $56,838 USD|Low: $33,670 USD|High: $57,522 USD|Avg: $42,264 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
Retailer 13
Retailer 14
November 2, 2026
Retailer 10$33,714 USD
Retailer 5$36,031 USD
Retailer 8$36,668 USD
Retailer 14$36,824 USD
Retailer 4$37,910 USD
Retailer 11$39,505 USD
Retailer 2$40,138 USD
Retailer 6$40,171 USD
Retailer 12$41,845 USD
Retailer 3$43,519 USD
Retailer 7$44,145 USD
Retailer 13$45,193 USD
Retailer 9$50,324 USD
MOH London$56,838 USD

38 data points across 14 retailers

13 retailers$36,668 USD to $56,838 USD

Retailer 1
-
$33,714 USD
€32,109 EUR
Price last confirmed 8 days ago
Retailer 2
-
$36,031 USD
A$55,432 AUD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
$36,668 USD
£28,873 GBP
View
B+
Retailer 4
-
$36,824 USD
View
Final sale: no returns
B+
Retailer 5
-
$37,910 USD
View
B+
Retailer 6
-
$39,505 USD
View
B+
Retailer 7
-
$40,138 USD
£31,605 GBP
View
B
Retailer 8
-
$41,845 USD
View
B
Retailer 9
-
$43,519 USD
View
B+
Retailer 10
-
$44,145 USD
€42,043 EUR
View
B
Retailer 11
-
$45,193 USD
View
B
Retailer 12
-
$50,324 USD
ZAR 812,989 ZAR
View
Most Expensive
B
MOH London
673A1824E · Nov 1
$56,838 USD
£44,754 GBP
View
12 more retailers have this diamond
Prices start from $36,668 USDSave up to $20,169 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.

B+
2.50ct Marquise
$36,668 USD