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Radiant|Natural|GIA

1.70ct F SI1 Radiant Natural Diamond

VG • F/SI1 • GIA 5556315668

Certificate GIA 5556315668

Diamond specifications and retailer prices

From £5,908 GBP
As of November 6, 2026
Save £5,033 GBP (46%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: £10,941 GBP at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5556315668. Listed at 34 retailers as of November 5, 2026, with prices from £5,908 to £10,941, a £5,033 spread on the same certified stone. NZ Jewellers lists it at £10,941. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556315668
Dimensions7.67 × 6.06 × 4.17 mm
L/W Ratio1.27
Culet sizeNone
Top View
7.67 mm6.06 mm1.70 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556315668
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £10,941 GBP|Low: £6,017 GBP|High: £10,941 GBP|Avg: £7,944 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 7, 2026
Retailer 16£6,255 GBP
Retailer 8£6,564 GBP
Retailer 3£6,565 GBP
Retailer 12£7,012 GBP
Retailer 11£7,108 GBP
Retailer 7£7,112 GBP
Retailer 4£7,212 GBP
Retailer 6£7,222 GBP
Retailer 15£7,298 GBP
Retailer 2£7,352 GBP
Retailer 13£8,143 GBP
Retailer 5£8,206 GBP
Retailer 9£8,330 GBP
Retailer 14£9,577 GBP
Retailer 10£10,197 GBP
NZ Jewellers£10,941 GBP

31 data points across 16 retailers

34 retailers£5,908 GBP to £10,941 GBP

B+
Cheapest Retailer
-
£5,908 GBP
B+
Retailer 2
-
£6,117 GBP
View
B+
Retailer 3
-
£6,140 GBP
View
B+
Retailer 4
-
£6,146 GBP
View
B+
Retailer 5
-
£6,255 GBP
View
B+
Retailer 6
-
£6,333 GBP
View
B+
Retailer 7
-
£6,519 GBP
View
B+
Retailer 8
-
£6,564 GBP
View
Final sale: no returns
Retailer 9
-
£6,565 GBP
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£6,578 GBP
View
B+
Retailer 11
-
£6,998 GBP
View
B+
Retailer 12
-
£7,012 GBP
View
B+
Retailer 13
-
£7,108 GBP
View
B
Retailer 14
-
£7,112 GBP
View
Retailer 15
-
£7,212 GBP
View
Price last confirmed 15 days ago
B
Retailer 16
-
£7,222 GBP
View
B
Retailer 17
-
£7,282 GBP
View
Retailer 18
-
£7,284 GBP
View
Price last confirmed 15 days ago
B
Retailer 19
-
£7,298 GBP
View
B
Retailer 20
-
£7,313 GBP
View
B
Retailer 21
-
£7,316 GBP
View
B+
Retailer 22
-
£7,352 GBP
View
B
Retailer 23
-
£7,748 GBP
View
B
Retailer 24
-
£7,748 GBP
View
B
Retailer 25
-
£7,821 GBP
View
B
Retailer 26
-
£7,839 GBP
View
B
Retailer 27
-
£7,969 GBP
View
B
Retailer 28
-
£8,009 GBP
View
B
Retailer 29
-
£8,143 GBP
View
B
Retailer 30
-
£8,206 GBP
View
Retailer 31
-
£8,330 GBP
View
B
Retailer 32
-
£9,577 GBP
View
B
Retailer 33
-
£10,197 GBP
View
Most Expensive
B
NZ Jewellers
33ac4113-ab45-4b8f-9079-61f9913b5194 · Nov 5
£10,941 GBP
$14,645 USD
View
33 more retailers have this diamond
Prices start from £5,908 GBPSave up to £5,033 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 Radiant
£5,908 GBP