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Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 2566626434

Certificate GIA 2566626434

Diamond specifications and retailer prices

From $22,665 USD
As of October 31, 2026
Save $16,314 USD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $38,979 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 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 2566626434. Listed at 10 retailers as of October 31, 2026, with prices from $22,665 to $38,979, a $16,314 spread on the same certified stone. MOH London lists it at $38,979. 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
OriginNatural
Grading LabGIA
CertificateGIA 2566626434
Dimensions13.21 × 6.90 × 4.38 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
13.21 mm6.90 mm2.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566626434
Side View
Table 58.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 63.4%

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: Oct 31
Current: $38,979 USD|Low: $22,665 USD|High: $38,979 USD|Avg: $27,232 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$22,665 USD
Retailer 11$22,723 USD
Retailer 3$24,601 USD
Retailer 5$25,162 USD
Retailer 9$25,166 USD
Retailer 4$27,038 USD
Retailer 6$28,078 USD
Retailer 2$28,717 USD
Retailer 7$29,122 USD
Retailer 10$35,358 USD
MOH London$38,979 USD

4 data points across 11 retailers

10 retailers$22,665 USD to $38,979 USD

A
Cheapest Retailer
-
$22,665 USD
A
Retailer 2
-
$22,723 USD
View
B+
Retailer 3
-
$25,162 USD
£19,812 GBP
View
B+
Retailer 4
-
$25,166 USD
View
B+
Retailer 5
-
$27,038 USD
View
B
Retailer 6
-
$28,078 USD
View
B
Retailer 7
-
$28,717 USD
£22,612 GBP
View
B
Retailer 8
-
$29,122 USD
€27,735 EUR
View
B
Retailer 9
-
$35,358 USD
View
Most Expensive
B
MOH London
7B90AC64C · Nov 1
$38,979 USD
£30,692 GBP
View
9 more retailers have this diamond
Prices start from $22,665 USDSave up to $16,314 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
$22,665 USD