Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 2566626434

Certificate GIA 2566626434

Diamond specifications and retailer prices

From $40,319 NZD
As of November 6, 2026
Save $28,835 NZD (42%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $69,154 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 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 11 retailers as of November 4, 2026, with prices from $40,319 to $69,154, a $28,835 spread on the same certified stone. MOH London lists it at $69,154. 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
Colour
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: Nov 6
Current: $69,154 NZD|Low: $40,319 NZD|High: $69,339 NZD|Avg: $49,165 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$40,319 NZD
Retailer 3$40,422 NZD
Retailer 4$43,763 NZD
Retailer 6$44,691 NZD
Retailer 11$44,768 NZD
Retailer 7$46,618 NZD
Retailer 8$48,098 NZD
Retailer 9$49,948 NZD
Retailer 2$50,807 NZD
Retailer 5$51,729 NZD
Retailer 12$62,898 NZD
MOH London$69,154 NZD

9 data points across 12 retailers

11 retailers$40,319 NZD to $69,154 NZD

A
Cheapest Retailer
-
$40,319 NZD
A
Retailer 2
-
$40,422 NZD
View
B+
Retailer 3
-
$44,691 NZD
View
B+
Retailer 4
-
$44,768 NZD
View
B+
Retailer 5
-
$46,618 NZD
View
B+
Retailer 6
-
$48,098 NZD
View
B
Retailer 7
-
$49,948 NZD
View
B+
Retailer 8
-
$50,807 NZD
View
B
Retailer 9
-
$51,729 NZD
View
B
Retailer 10
-
$62,898 NZD
View
Most Expensive
B
MOH London
7B90AC64C · Nov 4
$69,154 NZD
£30,610 GBP
View
10 more retailers have this diamond
Prices start from $40,319 NZDSave up to $28,835 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
$40,319 NZD