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Round|Natural|IGI

1.70ct J VVS1 Round Natural Diamond

EX • J/VVS1 • IGI 602363591

Shape and cutting style on the report: Round brilliant

Certificate IGI 602363591

Diamond specifications and retailer prices

From £3,497 GBP
$4,686 USD
As of October 30, 2026
Save £2,898 GBP (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,014 GBP at NZ Jewellers · As of September 19, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 602363591. Listed at 17 retailers as of October 25, 2026, with a 83% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 602363591
Dimensions7.68 × 7.63 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.68 mm7.63 mm1.70 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 602363591
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

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 30
Current: £3,964 GBP|Low: £3,497 GBP|High: £6,760 GBP|Avg: £4,628 GBP|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3£3,497 GBP
Retailer 10£3,538 GBP
Retailer 12£3,545 GBP
Retailer 13£3,700 GBP
Retailer 7£3,758 GBP
Retailer 1£3,964 GBP
Retailer 9£4,124 GBP
Retailer 5£4,194 GBP
Retailer 2£4,393 GBP
Retailer 6£4,538 GBP
Retailer 4£4,851 GBP
Retailer 8£4,883 GBP
Retailer 11£6,395 GBP

38 data points across 13 retailers

17 retailers£3,497 GBP to £6,395 GBP

A
Cheapest Retailer
-
£3,497 GBP
$4,686 USD
A
Retailer 2
-
£3,538 GBP
$4,740 USD
View
A
Retailer 3
-
£3,545 GBP
$4,750 USD
View
A
Retailer 4
-
£3,700 GBP
$4,958 USD
View
Final sale: no returns
A
Retailer 5
-
£3,758 GBP
$5,035 USD
View
A
Retailer 6
-
£3,964 GBP
View
A
Retailer 7
-
£4,124 GBP
$5,526 USD
View
Retailer 8
-
£4,194 GBP
$5,619 USD
View
Price last confirmed 30 days ago
Retailer 9
-
£4,194 GBP
$5,619 USD
View
Price last confirmed 42 days ago
Retailer 10
-
£4,194 GBP
$5,619 USD
View
Price last confirmed 23 days ago
A
Retailer 11
-
£4,393 GBP
View
A
Retailer 12
-
£4,538 GBP
€5,791 EUR
View
Retailer 13
-
£4,839 GBP
$6,484 USD
View
Price last confirmed 41 days ago
B+
Retailer 14
-
£4,883 GBP
ZAR 105,694 ZAR
View
B+
Retailer 15
-
£6,395 GBP
View
Retailer 16
-
£7,014 GBP
$9,398 USD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
5668d987-1bc8-4000-b688-752c3ad631d0 · Sep 19
£7,014 GBP
$9,398 USD
View
Price last confirmed 41 days ago
16 more retailers have this diamond
Prices start from £3,497 GBPSave up to £2,898 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
£3,497 GBP