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Round|Natural|IGI

1.70ct J IF Round Natural Diamond

EX • J/IF • IGI 794652648

Shape and cutting style on the report: Round brilliant

Certificate IGI 794652648

Diamond specifications and retailer prices

From £3,624 GBP
₹462,467 INR
As of October 31, 2026
Save £3,032 GBP (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £8,118 GBP at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 794652648. Listed at 15 retailers as of October 31, 2026, with a 84% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 794652648
Dimensions7.49 × 7.56 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.49 mm7.56 mm1.70 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 794652648
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.2%

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: Oct 31
Current: £4,915 GBP|Low: £3,615 GBP|High: £6,736 GBP|Avg: £4,678 GBP|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8£3,624 GBP
Retailer 2£3,941 GBP
Retailer 9£4,170 GBP
Retailer 10£4,209 GBP
Retailer 6£4,464 GBP
Retailer 3£4,518 GBP
Retailer 4£4,518 GBP
Retailer 12£4,518 GBP
Retailer 1£4,915 GBP
Retailer 11£5,213 GBP
Retailer 7£5,551 GBP
Retailer 5£6,656 GBP

34 data points across 12 retailers

15 retailers£3,624 GBP to £6,656 GBP

A
Cheapest Retailer
-
£3,624 GBP
₹462,467 INR
A
Retailer 2
-
£3,941 GBP
$5,280 USD
View
A
Retailer 3
-
£4,170 GBP
$5,587 USD
View
Final sale: no returns
A
Retailer 4
-
£4,209 GBP
$5,640 USD
View
A
Retailer 5
-
£4,464 GBP
View
A
Retailer 6
-
£4,518 GBP
$6,053 USD
View
A
Retailer 7
-
£4,518 GBP
$6,053 USD
View
A
Retailer 8
-
£4,518 GBP
$6,053 USD
View
Retailer 9
-
£4,853 GBP
$6,503 USD
View
Price last confirmed 45 days ago
A
Retailer 10
-
£4,915 GBP
€6,272 EUR
View
B+
Retailer 11
-
£5,213 GBP
$6,985 USD
View
B+
Retailer 12
-
£5,551 GBP
ZAR 120,154 ZAR
View
Retailer 13
-
£5,600 GBP
$7,504 USD
View
Price last confirmed 41 days ago
B+
Retailer 14
-
£6,656 GBP
View
Most Expensive
NZ Jewellers
2f0df579-fcac-4b28-b739-b38aa59cb80d · Sep 21
£8,118 GBP
$10,877 USD
View
Price last confirmed 41 days ago
14 more retailers have this diamond
Prices start from £3,624 GBPSave up to £3,032 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
£3,624 GBP