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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 $47,296 NZD
As of November 5, 2026
Save $30,136 NZD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $77,432 NZD 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 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 November 4, 2026, with prices from $47,296 to $77,432, a $30,136 spread on the same certified stone. MOH London lists it at $77,432. 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
Colour
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: Nov 5
Current: $77,432 NZD|Low: $47,296 NZD|High: $78,575 NZD|Avg: $56,822 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$47,296 NZD
Retailer 9$47,589 NZD
Retailer 3$50,565 NZD
Retailer 4$51,784 NZD
Retailer 8$54,605 NZD
Retailer 7$58,649 NZD
Retailer 6$59,173 NZD
Retailer 2$59,976 NZD
MOH London$77,432 NZD

29 data points across 9 retailers

9 retailers$47,296 NZD to $77,432 NZD

A
Cheapest Retailer
-
$47,296 NZD
A
Retailer 2
-
$47,589 NZD
View
B+
Retailer 3
-
$50,565 NZD
View
B+
Retailer 4
-
$51,784 NZD
View
B+
Retailer 5
-
$54,605 NZD
View
B+
Retailer 6
-
$58,649 NZD
View
B
Retailer 7
-
$59,173 NZD
View
B+
Retailer 8
-
$59,976 NZD
View
Most Expensive
B
MOH London
148FC0D93 · Nov 4
$77,432 NZD
£34,274 GBP
View
8 more retailers have this diamond
Prices start from $47,296 NZDSave up to $30,136 NZD

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
$47,296 NZD