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Heart|Natural|IGI

1.65ct J IF Heart Natural Diamond

VG • J/IF • IGI 780633158

Shape and cutting style on the report: Heart brilliant

Certificate IGI 780633158

Diamond specifications and retailer prices

From £3,554 GBP
₹453,484 INR
As of November 2, 2026
Save £653 GBP (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £4,207 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.65ct natural heart diamond

This 1.65ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 780633158. Listed at 2 retailers as of November 2, 2026, with prices from £3,554 to £4,207, a £653 spread on the same certified stone. 77 Diamonds lists it at £4,207. 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

1.65
Carat
J
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 780633158
Dimensions7.02 × 8.32 × 4.88 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Top View
7.02 mm8.32 mm1.65 ctJ / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 780633158
Side View
Table 61.0%Crown 34.8°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 58.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £4,207 GBP|Low: £3,547 GBP|High: £4,464 GBP|Avg: £3,929 GBP|-4.0%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2£3,554 GBP
77 Diamonds£4,207 GBP

46 data points across 2 retailers

2 retailers£3,554 GBP to £4,207 GBP

A
Cheapest Retailer
-
£3,554 GBP
₹453,484 INR
Most Expensive
B+
77 Diamonds
HSCPXUX5XTZK · Nov 2
£4,207 GBP
View
1 more retailer has this diamond
Prices start from £3,554 GBPSave up to £653 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
1.65ct Heart
£3,554 GBP