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Marquise|Natural|HRD

1.70ct I SI2 Marquise Natural Diamond

ID • I/SI2 • HRD 260000099951

Certificate HRD 260000099951

Diamond specifications and retailer prices

From $5,731 NZD
₹307,101 INR
As of November 2, 2026
Save $8,835 NZD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,566 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded I 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 HRD 260000099951. Listed at 7 retailers as of November 2, 2026, with prices from $5,731 to $14,566, a $8,835 spread on the same certified stone. MOH London lists it at $14,566. 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

1.70
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000099951
Dimensions12.02 × 6.19 × 3.78 mm
L/W Ratio1.94
Culet sizePointed
Top View
12.02 mm6.19 mm1.70 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000099951
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 61.1%

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 2
Current: $14,566 NZD|Low: $5,719 NZD|High: $14,744 NZD|Avg: $8,239 NZD|-0.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$5,731 NZD
Retailer 6$5,869 NZD
Retailer 4$6,796 NZD
Retailer 5$7,447 NZD
Retailer 3$8,004 NZD
Retailer 7$8,248 NZD
MOH London$14,566 NZD

38 data points across 7 retailers

7 retailers$5,731 NZD to $14,566 NZD

A
Cheapest Retailer
-
$5,731 NZD
₹307,101 INR
A
Retailer 2
-
$5,869 NZD
$3,302 USD
View
A
Retailer 3
-
$6,796 NZD
$3,824 USD
View
A
Retailer 4
-
$7,447 NZD
$4,190 USD
View
A
Retailer 5
-
$8,004 NZD
€4,289 EUR
View
B+
Retailer 6
-
$8,248 NZD
$4,641 USD
View
Most Expensive
B+
MOH London
FF15729E5 · Nov 2
$14,566 NZD
£6,453 GBP
View
6 more retailers have this diamond
Prices start from $5,731 NZDSave up to $8,835 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
1.70ct Marquise
$5,731 NZD