Round|Natural|IGI

1.70ct J VVS1 Round Natural Diamond

EX • J/VVS1 • IGI 662459978

Shape and cutting style on the report: Round brilliant

Certificate IGI 662459978

Diamond specifications and retailer prices

From £3,711 GBP
$4,973 USD
As of October 31, 2026
Save £2,747 GBP (43%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,938 GBP at NZ Jewellers · As of October 3, 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 662459978. Listed at 17 retailers as of October 26, 2026, with a 74% 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
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 662459978
Dimensions7.53 × 7.59 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.53 mm7.59 mm1.70 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 662459978
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 63.5%

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: £4,663 GBP|Low: £3,711 GBP|High: £7,077 GBP|Avg: £4,756 GBP
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
November 1, 2026
Retailer 11£3,711 GBP
Retailer 10£3,816 GBP
Retailer 13£3,927 GBP
Retailer 8£3,978 GBP
Retailer 12£4,202 GBP
Retailer 9£4,206 GBP
Retailer 7£4,320 GBP
Retailer 6£4,371 GBP
Retailer 5£4,575 GBP
Retailer 1£4,663 GBP
Retailer 4£4,889 GBP
Retailer 2£5,331 GBP
Retailer 3£6,459 GBP

29 data points across 13 retailers

17 retailers£3,711 GBP to £6,459 GBP

A
Cheapest Retailer
-
£3,711 GBP
$4,973 USD
A
Retailer 2
-
£3,816 GBP
$5,113 USD
View
A
Retailer 3
-
£3,927 GBP
$5,262 USD
View
Final sale: no returns
A
Retailer 4
-
£3,978 GBP
$5,330 USD
View
A
Retailer 5
-
£4,202 GBP
$5,630 USD
View
A
Retailer 6
-
£4,206 GBP
View
A
Retailer 7
-
£4,320 GBP
View
A
Retailer 8
-
£4,371 GBP
$5,856 USD
View
Retailer 9
-
£4,575 GBP
$6,130 USD
View
Price last confirmed 7 days ago
Retailer 10
-
£4,624 GBP
$6,195 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
£4,663 GBP
View
Retailer 12
-
£4,746 GBP
$6,359 USD
View
Price last confirmed 28 days ago
Retailer 13
-
£4,889 GBP
€6,239 EUR
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£5,331 GBP
ZAR 115,397 ZAR
View
Retailer 15
-
£5,477 GBP
$7,338 USD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
£6,459 GBP
View
Most Expensive
NZ Jewellers
007c17dc-05b2-406c-8adb-de52ca7cca70 · Oct 3
£7,938 GBP
$10,636 USD
View
Price last confirmed 29 days ago
16 more retailers have this diamond
Prices start from £3,711 GBPSave up to £2,747 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
£3,711 GBP