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Marquise|Natural|GIA

2.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6565384729

Certificate GIA 6565384729

Diamond specifications and retailer prices

From $26,587 USD
CA$36,926 CAD
As of October 30, 2026
Save $17,058 USD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $43,645 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565384729. Listed at 9 retailers as of October 30, 2026, with prices from $26,587 to $43,645, a $17,058 spread on the same certified stone. MOH London lists it at $43,645. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565384729
Dimensions12.87 × 6.92 × 4.54 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Natural
Top View
12.87 mm6.92 mm2.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565384729
Side View
Table 57.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.6%

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 30
Current: $43,645 USD|Low: $26,587 USD|High: $44,171 USD|Avg: $31,988 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$26,587 USD
Retailer 9$26,753 USD
Retailer 2$28,707 USD
Retailer 4$29,110 USD
Retailer 8$30,696 USD
Retailer 7$32,969 USD
Retailer 6$33,265 USD
Retailer 3$33,908 USD
MOH London$43,645 USD

25 data points across 9 retailers

9 retailers$26,587 USD to $43,645 USD

A
Cheapest Retailer
-
$26,587 USD
CA$36,926 CAD
A
Retailer 2
-
$26,753 USD
View
B+
Retailer 3
-
$28,707 USD
£22,604 GBP
View
B+
Retailer 4
-
$29,110 USD
View
B+
Retailer 5
-
$30,696 USD
View
B+
Retailer 6
-
$32,969 USD
View
B+
Retailer 7
-
$33,265 USD
View
B+
Retailer 8
-
$33,908 USD
€32,293 EUR
View
Most Expensive
B
MOH London
148FC0D93 · Nov 1
$43,645 USD
£34,366 GBP
View
8 more retailers have this diamond
Prices start from $26,587 USDSave up to $17,058 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
$26,587 USD