Heart|Natural|IGI

1.71ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 496106025

Shape and cutting style on the report: Heart brilliant

Certificate IGI 496106025

Diamond specifications and retailer prices

From £2,631 GBP
₹335,770 INR
As of November 2, 2026
Save £1,261 GBP (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,892 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.71ct natural heart diamond

This 1.71ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 496106025. Listed at 3 retailers as of November 2, 2026, with prices from £2,631 to £3,892, a £1,261 spread on the same certified stone. 77 Diamonds lists it at £3,892. 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

1.71
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle36.2°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 496106025
Dimensions7.00 × 8.00 × 4.90 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
7.00 mm8.00 mm1.71 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI 496106025
Side View
Table 57.0%Crown 36.2°Girdle: MED-VTKPavilion 37.4°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,892 GBP|Low: £2,631 GBP|High: £4,175 GBP|Avg: £3,344 GBP|-5.5%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 2£2,631 GBP
Retailer 3£3,040 GBP
77 Diamonds£3,892 GBP

44 data points across 3 retailers

3 retailers£2,631 GBP to £3,892 GBP

A
Cheapest Retailer
-
£2,631 GBP
₹335,770 INR
B+
Retailer 2
-
£3,040 GBP
$4,073 USD
View
Most Expensive
B+
77 Diamonds
HSCPACHXH3BG · Nov 2
£3,892 GBP
View
2 more retailers have this diamond
Prices start from £2,631 GBPSave up to £1,261 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
1.71ct Heart
£2,631 GBP