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Marquise|Natural|GIA

2.51ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 2564718645

Certificate GIA 2564718645

Diamond specifications and retailer prices

From €19,851 EUR
SGD 29,970 SGD
As of November 1, 2026
Save €5,637 EUR (22%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €25,488 EUR at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 2.51ct natural marquise diamond

This 2.51ct 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 2564718645. Listed at 6 retailers as of November 1, 2026, with prices from €19,851 to €25,488, a €5,637 spread on the same certified stone. Frank Darling lists it at €25,488. 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

2.51
Carat
H
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564718645
Dimensions14.31 × 6.76 × 4.27 mm
L/W Ratio2.12
Top View
14.31 mm6.76 mm2.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564718645
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.1%

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 1
Current: €25,488 EUR|Low: €19,851 EUR|High: €25,488 EUR|Avg: €22,146 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6€19,851 EUR
Retailer 2€21,285 EUR
Retailer 3€21,664 EUR
Retailer 4€21,832 EUR
Retailer 5€22,650 EUR
Frank Darling€25,488 EUR

5 data points across 6 retailers

6 retailers€19,851 EUR to €25,488 EUR

A
Cheapest Retailer
-
€19,851 EUR
SGD 29,970 SGD
A
Retailer 2
-
€21,285 EUR
£18,724 GBP
View
B+
Retailer 3
-
€21,664 EUR
$24,203 USD
View
B+
Retailer 4
-
€21,832 EUR
$24,391 USD
View
B+
Retailer 5
-
€22,650 EUR
$25,305 USD
View
Most Expensive
B
Frank Darling
260646-77HK · Nov 1
€25,488 EUR
$28,475 USD
View
5 more retailers have this diamond
Prices start from €19,851 EURSave up to €5,637 EUR

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
2.51ct Marquise
€19,851 EUR