Marquise|Natural|HRD

1.70ct I SI2 Marquise Natural Diamond

ID • I/SI2 • HRD 260000176367

Certificate HRD 260000176367

Diamond specifications and retailer prices

From $5,347 USD
₹509,208 INR
As of November 2, 2026
Save $4,467 USD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,813 USD 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 $5,347 to $9,813, a $4,467 spread on the same certified stone. MOH London lists it at $9,813. 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
Color
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: $9,813 USD|Low: $5,238 USD|High: $10,154 USD|Avg: $6,613 USD|-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$5,347 USD
Retailer 6$5,716 USD
Retailer 4$5,983 USD
Retailer 5$6,116 USD
Retailer 8$6,116 USD
Retailer 7$6,610 USD
Retailer 9$6,625 USD
Retailer 10$6,784 USD
Retailer 3$7,237 USD
MOH London$9,813 USD

37 data points across 10 retailers

13 retailers$5,347 USD to $9,813 USD

A
Cheapest Retailer
-
$5,347 USD
₹509,208 INR
A
Retailer 2
-
$5,716 USD
View
A
Retailer 3
-
$5,983 USD
View
Retailer 4
-
$6,116 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$6,116 USD
View
Final sale: no returns
Retailer 6
-
$6,116 USD
View
Price last confirmed 25 days ago
A
Retailer 7
-
$6,610 USD
View
Retailer 8
-
$6,625 USD
View
Price last confirmed 26 days ago
B+
Retailer 9
-
$6,784 USD
View
Retailer 10
-
$6,915 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$7,237 USD
€6,892 EUR
View
Retailer 12
-
$7,858 USD
View
Price last confirmed 56 days ago
Most Expensive
B
MOH London
CF1E62237 · Oct 29
$9,813 USD
£7,727 GBP
View
12 more retailers have this diamond
Prices start from $5,347 USDSave up to $4,467 USD

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
$5,347 USD