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Marquise|Natural|HRD

1.51ct H SI1 Marquise Natural Diamond

EX • H/SI1 • HRD 260000067579

Certificate HRD 260000067579

Diamond specifications and retailer prices

From $10,284 NZD
As of November 4, 2026
Save $7,088 NZD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $17,372 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded H 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 HRD 260000067579. Listed at 5 retailers as of November 2, 2026, with prices from $10,284 to $17,372, a $7,088 spread on the same certified stone. MOH London lists it at $17,372. 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

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000067579
Dimensions10.92 × 5.94 × 3.81 mm
L/W Ratio1.84
Top View
10.92 mm5.94 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000067579
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 64.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $17,372 NZD|Low: $10,284 NZD|High: $19,104 NZD|Avg: $13,325 NZD|-8.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 5$10,284 NZD
Retailer 4$10,418 NZD
Retailer 2$11,462 NZD
Retailer 3$12,882 NZD
MOH London$17,372 NZD

40 data points across 5 retailers

5 retailers$10,284 NZD to $17,372 NZD

B+
Cheapest Retailer
-
$10,284 NZD
B+
Retailer 2
-
$10,418 NZD
View
B+
Retailer 3
-
$11,462 NZD
View
B+
Retailer 4
-
$12,882 NZD
View
Most Expensive
B
MOH London
51643BF08 · Nov 2
$17,372 NZD
£7,583 GBP
View
4 more retailers have this diamond
Prices start from $10,284 NZDSave up to $7,088 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.

B+
1.51ct Marquise
$10,284 NZD