Round|Natural|HRD

1.70ct J I1 Round Natural Diamond

EX • J/I1 • HRD 260000127818

Certificate HRD 260000127818

Diamond specifications and retailer prices

From £1,073 GBP
₹136,935 INR
As of November 1, 2026
Save £264 GBP (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,337 GBP at Brilliance · As of October 31, 2026
View at Brilliance

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by HRD 260000127818. Listed at 4 retailers as of October 31, 2026, with prices from £1,073 to £1,337, a £264 spread on the same certified stone. Brilliance lists it at £1,337. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.9°
OriginNatural
Grading LabHRD
CertificateHRD 260000127818
Dimensions7.64 × 7.60 × 4.74 mm
L/W Ratio1.01
Top View
7.64 mm7.60 mm1.70 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000127818
Side View
Table 58.0%Crown 36.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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 1
Current: £1,337 GBP|Low: £1,040 GBP|High: £1,992 GBP|Avg: £1,375 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2£1,073 GBP
Retailer 3£1,196 GBP
Retailer 4£1,334 GBP
Brilliance£1,337 GBP
Retailer 5£1,992 GBP

44 data points across 5 retailers

4 retailers£1,073 GBP to £1,337 GBP

A
Cheapest Retailer
-
£1,073 GBP
₹136,935 INR
A
Retailer 2
-
£1,196 GBP
$1,603 USD
View
B+
Retailer 3
-
£1,334 GBP
$1,787 USD
View
Final sale: no returns
Most Expensive
B+
Brilliance
D43221940 · Oct 31
£1,337 GBP
$1,791 USD
View
3 more retailers have this diamond
Prices start from £1,073 GBPSave up to £264 GBP

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 Round
£1,073 GBP