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1.70ct F I1 Round Natural Diamond

EX • F/I1 • IGI 662435012

Shape and cutting style on the report: Round brilliant

Certificate IGI 662435012

Diamond specifications and retailer prices

From £1,515 GBP
₹193,659 INR
As of November 2, 2026
Save £575 GBP (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,091 GBP at DreamStone · As of October 31, 2026
View at DreamStone

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 662435012. Listed at 3 retailers as of October 31, 2026, with prices from £1,515 to £2,091, a £575 spread on the same certified stone. DreamStone lists it at £2,091. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.3°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 662435012
Dimensions7.60 × 7.64 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.60 mm7.64 mm1.70 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 662435012
Side View
Table 61.0%Crown 35.3°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £2,091 GBP|Low: £1,512 GBP|High: £2,360 GBP|Avg: £1,949 GBP
DreamStone
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2£1,515 GBP
Retailer 3£1,776 GBP
DreamStone£2,091 GBP
Retailer 4£2,360 GBP

44 data points across 4 retailers

3 retailers£1,515 GBP to £2,091 GBP

A
Cheapest Retailer
-
£1,515 GBP
₹193,659 INR
B+
Retailer 2
-
£1,776 GBP
$2,383 USD
View
Most Expensive
B+
DreamStone
6a690b484ad42b761f5e6455 · Oct 31
£2,091 GBP
$2,805 USD
View
2 more retailers have this diamond
Prices start from £1,515 GBPSave up to £575 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 Round
£1,515 GBP