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Marquise|Natural|HRD

1.70ct I SI2 Marquise Natural Diamond

ID • I/SI2 • HRD 260000176367

Certificate HRD 260000176367

Diamond specifications and retailer prices

From $7,629 AUD
₹509,208 INR
As of November 2, 2026
Save $6,373 AUD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,003 AUD at MOH London · As of October 29, 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 260000176367. Listed at 13 retailers as of October 29, 2026, with prices from $7,629 to $14,003, a $6,373 spread on the same certified stone. MOH London lists it at $14,003. 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 260000176367
Dimensions11.96 × 6.11 × 3.85 mm
L/W Ratio1.96
Top View
11.96 mm6.11 mm1.70 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000176367
Side View
Table 54.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.0%

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: $14,003 AUD|Low: $7,474 AUD|High: $14,488 AUD|Avg: $9,436 AUD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$7,629 AUD
Retailer 6$8,156 AUD
Retailer 4$8,537 AUD
Retailer 5$8,727 AUD
Retailer 8$8,727 AUD
Retailer 7$9,432 AUD
Retailer 9$9,453 AUD
Retailer 10$9,680 AUD
Retailer 3$10,326 AUD
MOH London$14,003 AUD

37 data points across 10 retailers

13 retailers$7,629 AUD to $14,003 AUD

A
Cheapest Retailer
-
$7,629 AUD
₹509,208 INR
A
Retailer 2
-
$8,156 AUD
$5,716 USD
View
A
Retailer 3
-
$8,537 AUD
$5,983 USD
View
Retailer 4
-
$8,727 AUD
$6,116 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$8,727 AUD
$6,116 USD
View
Final sale: no returns
Retailer 6
-
$8,727 AUD
$6,116 USD
View
Price last confirmed 25 days ago
A
Retailer 7
-
$9,432 AUD
$6,610 USD
View
Retailer 8
-
$9,453 AUD
$6,625 USD
View
Price last confirmed 26 days ago
B+
Retailer 9
-
$9,680 AUD
$6,784 USD
View
Retailer 10
-
$9,867 AUD
$6,915 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$10,326 AUD
€6,892 EUR
View
Retailer 12
-
$11,213 AUD
$7,858 USD
View
Price last confirmed 57 days ago
Most Expensive
B
MOH London
CF1E62237 · Oct 29
$14,003 AUD
£7,727 GBP
View
12 more retailers have this diamond
Prices start from $7,629 AUDSave up to $6,373 AUD

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
$7,629 AUD