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Heart|Natural|IGI

1.70ct I VS1 Heart Natural Diamond

VG • I/VS1 • IGI 830659866

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI 830659866

Diamond specifications and retailer prices

From £3,472 GBP
₹442,995 INR
As of November 1, 2026
Save £3,523 GBP (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,994 GBP at MOH London · As of October 29, 2026
View at MOH London

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 830659866. Listed at 4 retailers as of October 29, 2026, with prices from £3,472 to £6,994, a £3,523 spread on the same certified stone. MOH London lists it at £6,994. 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
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle38.8°
OriginNatural
Grading LabIGI
CertificateIGI 830659866
Dimensions7.56 × 8.05 × 4.76 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizeNone
Top View
7.56 mm8.05 mm1.70 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830659866
Side View
Table 57.0%Crown 40°Girdle: THN-THKPavilion 38.8°Culet: NoneDepth 59.1%

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: £6,994 GBP|Low: £3,468 GBP|High: £7,560 GBP|Avg: £5,231 GBP|-7.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£3,472 GBP
Retailer 2£4,620 GBP
Retailer 4£5,160 GBP
MOH London£6,994 GBP

45 data points across 4 retailers

4 retailers£3,472 GBP to £6,994 GBP

A
Cheapest Retailer
-
£3,472 GBP
₹442,995 INR
A
Retailer 2
-
£4,620 GBP
View
B+
Retailer 3
-
£5,160 GBP
€6,584 EUR
View
Most Expensive
B
MOH London
08830F2A9 · Oct 29
£6,994 GBP
View
3 more retailers have this diamond
Prices start from £3,472 GBPSave up to £3,523 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
£3,472 GBP