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1.70ct J I1 Round Natural Diamond

EX • J/I1 • HRD 230000159938

Certificate HRD 230000159938

Diamond specifications and retailer prices

From £2,123 GBP
$2,844 USD
As of November 1, 2026
Save £478 GBP (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,600 GBP at Yorxs · As of November 1, 2026
View at Yorxs

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 230000159938. Listed at 2 retailers as of November 1, 2026, with prices from £2,123 to £2,600, a £478 spread on the same certified stone. Yorxs lists it at £2,600. 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
FluorescenceStrong
Crown angle35.7°
Pavilion angle41.5°
OriginNatural
Grading LabHRD
CertificateHRD 230000159938
Dimensions7.62 × 7.53 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
7.62 mm7.53 mm1.70 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 230000159938
Side View
Table 62.0%Crown 35.7°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £2,123 GBP|Low: £2,123 GBP|High: £2,720 GBP|Avg: £2,397 GBP
Retailer 1
Yorxs
November 1, 2026
Retailer 1£2,123 GBP
Yorxs£2,600 GBP

19 data points across 2 retailers

2 retailers£2,123 GBP to £2,600 GBP

B+
Cheapest Retailer
-
£2,123 GBP
$2,844 USD
Most Expensive
B+
Yorxs
613678044 · Nov 1
£2,600 GBP
€3,318 EUR
View
1 more retailer has this diamond
Prices start from £2,123 GBPSave up to £478 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.

B+
1.70ct Round
£2,123 GBP