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Radiant|Natural|GIA

1.70ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 1232708934

Certificate GIA 1232708934

Diamond specifications and retailer prices

From £3,293 GBP
As of November 2, 2026
Save £3,038 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,331 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 GIA 1232708934. Listed at 7 retailers as of October 30, 2026, with prices from £3,293 to £6,331, a £3,038 spread on the same certified stone. NZ Jewellers lists it at £6,331. 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
SymmetryVery Good
FluorescenceNone
Crown angle44.6°
Pavilion angle31.73°
OriginNatural
Grading LabGIA
CertificateGIA 1232708934
Dimensions7.64 × 5.89 × 4.09 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
7.64 mm5.89 mm1.70 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232708934
Side View
Table 67.0%Crown 44.6°Girdle: THK-VTKPavilion 31.73°Culet: NoneDepth 69.4%

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: £6,331 GBP|Low: £3,239 GBP|High: £6,384 GBP|Avg: £4,357 GBP|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3£3,293 GBP
Retailer 2£3,424 GBP
Retailer 5£3,634 GBP
Retailer 7£3,634 GBP
Retailer 6£3,732 GBP
Retailer 4£5,788 GBP
NZ Jewellers£6,331 GBP

41 data points across 7 retailers

7 retailers£3,293 GBP to £6,331 GBP

A
Cheapest Retailer
-
£3,293 GBP
A
Retailer 2
-
£3,424 GBP
View
A
Retailer 3
-
£3,634 GBP
$4,869 USD
View
A
Retailer 4
-
£3,634 GBP
$4,869 USD
View
A
Retailer 5
-
£3,732 GBP
$5,000 USD
View
B+
Retailer 6
-
£5,788 GBP
View
Most Expensive
B+
NZ Jewellers
434f3f92-2875-4d4d-92b7-0af8e2321683 · Oct 30
£6,331 GBP
$8,483 USD
View
6 more retailers have this diamond
Prices start from £3,293 GBPSave up to £3,038 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
£3,293 GBP