Radiant|Natural|GIA

1.70ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 6565498938

Certificate GIA 6565498938

Diamond specifications and retailer prices

From £6,630 GBP

As of November 6, 2026

Save £6,080 GBP (48%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £12,710 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565498938. Listed at 25 retailers as of November 5, 2026, with prices from £6,630 to £12,710, a £6,080 spread on the same certified stone. NZ Jewellers lists it at £12,710. 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

Colour

SI1

Clarity

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6565498938

Dimensions8.49 × 6.06 × 3.90 mm

L/W Ratio1.40

Girdle conditionPolished

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6565498938

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6

Current: £12,710 GBP|Low: £6,474 GBP|High: £13,043 GBP|Avg: £8,420 GBP|+0.4%

NZ Jewellers

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November 7, 2026

Retailer 5£6,630 GBP

Retailer 12£6,684 GBP

Retailer 17£6,690 GBP

Retailer 7£7,010 GBP

Retailer 8£7,046 GBP

Retailer 3£7,178 GBP

Retailer 19£7,237 GBP

Retailer 10£7,355 GBP

Retailer 4£7,361 GBP

Retailer 11£7,538 GBP

Retailer 14£7,561 GBP

Retailer 15£7,626 GBP

Retailer 23£7,739 GBP

Retailer 9£7,831 GBP

Retailer 16£8,432 GBP

Retailer 2£8,541 GBP

Retailer 18£9,098 GBP

Retailer 20£9,197 GBP

Retailer 6£9,542 GBP

Retailer 24£9,555 GBP

Retailer 13£9,674 GBP

Retailer 22£10,483 GBP

Retailer 25£11,126 GBP

Retailer 21£11,845 GBP

NZ Jewellers£12,710 GBP

17 data points across 25 retailers

25 retailers£6,630 GBP to £12,710 GBP

B+

Cheapest Retailer

£6,630 GBP

B+

Retailer 2

£6,684 GBP

View

Retailer 3

£6,690 GBP

View

Price last confirmed 17 days ago

Retailer 4

£7,010 GBP

View

Price last confirmed 12 days ago

B+

Retailer 5

£7,046 GBP

View

B+

Retailer 6

£7,178 GBP

View

B+

Retailer 7

£7,237 GBP

View

Retailer 8

£7,276 GBP

View

Price last confirmed 27 days ago

B+

Retailer 9

£7,355 GBP

View

B+

Retailer 10

£7,361 GBP

View

B+

Retailer 11

£7,538 GBP

View

B+

Retailer 12

£7,561 GBP

View

B+

Retailer 13

£7,626 GBP

View

Final sale: no returns

B+

Retailer 14

£7,739 GBP

View

B+

Retailer 15

£7,831 GBP

View

Retailer 16

£8,432 GBP

View

Price last confirmed 15 days ago

B+

Retailer 17

£8,541 GBP

View

Retailer 18

£9,197 GBP

View

Retailer 19

£9,542 GBP

View

Retailer 20

£9,555 GBP

View

Retailer 21

£9,674 GBP

View

Retailer 22

£10,483 GBP

View

Retailer 23

£11,126 GBP

View

Retailer 24

£11,845 GBP

View

Most Expensive

NZ Jewellers

fdbeee13-a941-4b72-a0f0-e2b8f8d8e891 · Nov 5

£12,710 GBP

$17,012 USD

View

24 more retailers have this diamond

Prices start from £6,630 GBPSave up to £6,080 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.

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