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Heart|Natural|IGI

1.70ct I VS1 Heart Natural Diamond

VG • I/VS1 • IGI 662419788

Shape and cutting style on the report: Heart brilliant

Certificate IGI 662419788

Diamond specifications and retailer prices

From £3,999 GBP
$5,358 USD
As of November 1, 2026
Save £3,670 GBP (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £7,669 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 662419788. Listed at 16 retailers as of October 30, 2026, with prices from £3,999 to £7,669, a £3,670 spread on the same certified stone. NZ Jewellers lists it at £7,669. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.9°
Pavilion angle32.3°
OriginNatural
Grading LabIGI
CertificateIGI 662419788
Dimensions7.04 × 8.09 × 4.56 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
7.04 mm8.09 mm1.70 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 662419788
Side View
Table 61.0%Crown 41.9°Girdle: STK-THKPavilion 32.3°Culet: NoneDepth 56.4%

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: Nov 1
Current: £7,669 GBP|Low: £3,879 GBP|High: £7,669 GBP|Avg: £5,046 GBP
NZ Jewellers
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 2, 2026
Retailer 10£3,999 GBP
Retailer 13£4,094 GBP
Retailer 9£4,232 GBP
Retailer 2£4,259 GBP
Retailer 11£4,269 GBP
Retailer 6£4,487 GBP
Retailer 4£4,585 GBP
Retailer 5£4,585 GBP
Retailer 12£4,585 GBP
Retailer 3£5,291 GBP
Retailer 7£5,633 GBP
Retailer 8£6,791 GBP
NZ Jewellers£7,669 GBP

43 data points across 13 retailers

16 retailers£3,999 GBP to £7,669 GBP

A
Cheapest Retailer
-
£3,999 GBP
$5,358 USD
A
Retailer 2
-
£4,094 GBP
$5,486 USD
View
B+
Retailer 3
-
£4,232 GBP
$5,670 USD
View
Final sale: no returns
A
Retailer 4
-
£4,259 GBP
View
A
Retailer 5
-
£4,269 GBP
$5,720 USD
View
A
Retailer 6
-
£4,487 GBP
View
B+
Retailer 7
-
£4,585 GBP
$6,143 USD
View
Retailer 8
-
£4,585 GBP
$6,143 USD
View
Price last confirmed 44 days ago
B+
Retailer 9
-
£4,585 GBP
$6,143 USD
View
B+
Retailer 10
-
£4,702 GBP
$6,300 USD
View
Retailer 11
-
£5,291 GBP
$7,089 USD
View
Price last confirmed 56 days ago
Retailer 12
-
£5,291 GBP
$7,089 USD
View
Price last confirmed 43 days ago
B+
Retailer 13
-
£5,291 GBP
$7,089 USD
View
B+
Retailer 14
-
£5,633 GBP
ZAR 121,940 ZAR
View
B
Retailer 15
-
£6,791 GBP
View
Most Expensive
B
NZ Jewellers
786b2220-3ee0-420d-a2e4-dd0f0ea65151 · Oct 30
£7,669 GBP
$10,275 USD
View
15 more retailers have this diamond
Prices start from £3,999 GBPSave up to £3,670 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 Heart
£3,999 GBP