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Radiant|Natural|HRD

1.70ct F SI2 Radiant Natural Diamond

ID • F/SI2 • HRD 240000215658

Shape and cutting style on the report: Radiant

Certificate HRD 240000215658

Diamond specifications and retailer prices

From £3,417 GBP
$4,579 USD
As of November 2, 2026
Save £3,034 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,451 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural radiant diamond

This 1.7ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 240000215658. Listed at 8 retailers as of October 30, 2026, with prices from £3,417 to £6,451, a £3,034 spread on the same certified stone. NZ Jewellers lists it at £6,451. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 240000215658
Dimensions7.63 × 5.84 × 4.05 mm
L/W Ratio1.31
Girdle conditionPolished
Culet sizePointed
Top View
7.63 mm5.84 mm1.70 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 240000215658
Side View
Table 69.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.0%

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: £6,451 GBP|Low: £2,573 GBP|High: £6,451 GBP|Avg: £4,198 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£2,573 GBP
Retailer 10£3,230 GBP
Retailer 9£3,417 GBP
Retailer 5£3,703 GBP
Retailer 7£3,703 GBP
Retailer 8£3,703 GBP
Retailer 2£4,190 GBP
Retailer 6£4,273 GBP
Retailer 11£5,125 GBP
Retailer 4£5,898 GBP
NZ Jewellers£6,451 GBP

29 data points across 11 retailers

8 retailers£3,417 GBP to £6,451 GBP

A
Cheapest Retailer
-
£3,417 GBP
$4,579 USD
Final sale: no returns
A
Retailer 2
-
£3,703 GBP
$4,962 USD
View
A
Retailer 3
-
£3,703 GBP
$4,962 USD
View
A
Retailer 4
-
£3,703 GBP
$4,962 USD
View
A
Retailer 5
-
£4,190 GBP
€5,347 EUR
View
A
Retailer 6
-
£4,273 GBP
$5,725 USD
View
B+
Retailer 7
-
£5,898 GBP
View
Most Expensive
B+
NZ Jewellers
3f6ab583-7dbf-4952-9c5b-91087c447f19 · Oct 30
£6,451 GBP
$8,644 USD
View
7 more retailers have this diamond
Prices start from £3,417 GBPSave up to £3,034 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 Radiant
£3,417 GBP