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Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6541372567

Certificate GIA 6541372567

Diamond specifications and retailer prices

From $56,948 NZD
$32,096 USD
As of October 30, 2026
Save $40,742 NZD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $97,690 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541372567. Listed at 22 retailers as of October 30, 2026, with prices from $56,948 to $97,690, a $40,742 spread on the same certified stone. MOH London lists it at $97,690. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.95°
Pavilion angle38.09°
OriginNatural
Grading LabGIA
CertificateGIA 6541372567
Dimensions12.90 × 7.02 × 4.46 mm
L/W Ratio1.84
Top View
12.90 mm7.02 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541372567
Side View
Table 57.0%Crown 39.95°Girdle: Very ThickPavilion 38.09°Culet: NoneDepth 63.6%

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: $97,690 NZD|Low: $50,458 NZD|High: $98,866 NZD|Avg: $66,670 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$57,338 NZD
Retailer 3$59,095 NZD
Retailer 5$60,549 NZD
Retailer 8$62,063 NZD
Retailer 2$62,493 NZD
Retailer 9$62,551 NZD
Retailer 7$65,677 NZD
Retailer 4$73,468 NZD
MOH London$97,690 NZD

40 data points across 9 retailers

22 retailers$56,948 NZD to $97,690 NZD

A
Cheapest Retailer
-
$56,948 NZD
$32,096 USD
A
Retailer 2
-
$57,338 NZD
$32,316 USD
View
Final sale: no returns
B+
Retailer 3
-
$58,128 NZD
$32,761 USD
View
Retailer 4
-
$58,364 NZD
$32,894 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$59,095 NZD
₹3,172,015 INR
View
B+
Retailer 6
-
$60,549 NZD
$34,126 USD
View
B+
Retailer 7
-
$62,063 NZD
$34,979 USD
View
B+
Retailer 8
-
$62,493 NZD
£27,733 GBP
View
B+
Retailer 9
-
$62,551 NZD
$35,254 USD
View
B+
Retailer 10
-
$63,464 NZD
$35,768 USD
View
B+
Retailer 11
-
$64,673 NZD
$36,450 USD
View
B+
Retailer 12
-
$64,673 NZD
$36,450 USD
View
B+
Retailer 13
-
$65,156 NZD
$36,722 USD
View
B+
Retailer 14
-
$65,677 NZD
$37,016 USD
View
B+
Retailer 15
-
$66,838 NZD
$37,670 USD
View
B+
Retailer 16
-
$66,886 NZD
$37,697 USD
View
B+
Retailer 17
-
$67,762 NZD
$38,191 USD
View
B+
Retailer 18
-
$70,369 NZD
$39,660 USD
View
Retailer 19
-
$70,369 NZD
$39,660 USD
View
Price last confirmed 56 days ago
B
Retailer 20
-
$73,468 NZD
€39,435 EUR
View
B
Retailer 21
-
$73,820 NZD
$41,605 USD
View
Most Expensive
B
MOH London
9CA0FEE87 · Nov 1
$97,690 NZD
£43,353 GBP
View
21 more retailers have this diamond
Prices start from $56,948 NZDSave up to $40,742 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
2.51ct Marquise
$56,948 NZD