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Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 5553500576

Certificate GIA 5553500576

Diamond specifications and retailer prices

From $25,485 USD
As of November 4, 2026
Save $18,115 USD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $43,600 USD at MOH London · As of November 4, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553500576. Listed at 22 retailers as of November 4, 2026, with prices from $25,485 to $43,600, a $18,115 spread on the same certified stone. MOH London lists it at $43,600. 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
H
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.98°
Pavilion angle39.15°
OriginNatural
Grading LabGIA
CertificateGIA 5553500576
Dimensions13.78 × 7.17 × 4.28 mm
L/W Ratio1.92
Girdle conditionVery Thick
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural
Top View
13.78 mm7.17 mm2.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553500576
Side View
Table 64.0%Crown 36.98°Girdle: STK-VTKPavilion 39.15°Culet: NoneDepth 59.7%

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 4
Current: $43,600 USD|Low: $25,485 USD|High: $44,244 USD|Avg: $30,732 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$25,485 USD
Retailer 5$26,522 USD
Retailer 7$26,825 USD
Retailer 6$27,060 USD
Retailer 4$28,191 USD
Retailer 2$32,032 USD
Retailer 3$32,640 USD
MOH London$43,600 USD

30 data points across 8 retailers

22 retailers$25,485 USD to $43,600 USD

B+
Cheapest Retailer
-
$25,485 USD
B+
Retailer 2
-
$25,977 USD
View
Retailer 3
-
$26,084 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$26,183 USD
View
Retailer 5
-
$26,522 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$26,570 USD
View
B+
Retailer 7
-
$26,825 USD
View
Final sale: no returns
B+
Retailer 8
-
$27,060 USD
View
Retailer 9
-
$27,992 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$28,188 USD
View
B+
Retailer 11
-
$28,191 USD
View
B
Retailer 12
-
$28,362 USD
View
Retailer 13
-
$29,158 USD
View
Price last confirmed 42 days ago
B
Retailer 14
-
$29,924 USD
View
Retailer 15
-
$30,325 USD
View
Price last confirmed 45 days ago
B
Retailer 16
-
$30,652 USD
View
Retailer 17
-
$31,491 USD
View
Price last confirmed 61 days ago
Retailer 18
-
$31,491 USD
View
Price last confirmed 43 days ago
B+
Retailer 19
-
$32,032 USD
View
B
Retailer 20
-
$32,640 USD
View
B
Retailer 21
-
$32,990 USD
View
Most Expensive
B
MOH London
8F0C222AA · Nov 4
$43,600 USD
£34,331 GBP
View
21 more retailers have this diamond
Prices start from $25,485 USDSave up to $18,115 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
$25,485 USD