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Heart|Natural|IGI

1.63ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 835638860

Shape and cutting style on the report: Heart brilliant

Certificate IGI 835638860

Diamond specifications and retailer prices

From £1,629 GBP
₹208,183 INR
As of November 2, 2026
Save £2,653 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,282 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.63ct natural heart diamond

This 1.63ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 835638860. Listed at 14 retailers as of October 30, 2026, with prices from £1,629 to £4,282, a £2,653 spread on the same certified stone. NZ Jewellers lists it at £4,282. 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

1.63
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 835638860
Dimensions7.07 × 8.04 × 4.83 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
7.07 mm8.04 mm1.63 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 835638860
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.1%

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 2
Current: £4,282 GBP|Low: £1,626 GBP|High: £4,282 GBP|Avg: £2,345 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
November 2, 2026
Retailer 2£1,629 GBP
Retailer 3£1,834 GBP
Retailer 5£1,971 GBP
Retailer 4£2,012 GBP
Retailer 9£2,049 GBP
Retailer 12£2,049 GBP
Retailer 11£2,127 GBP
Retailer 6£2,228 GBP
Retailer 10£2,363 GBP
Retailer 7£2,518 GBP
Retailer 8£3,608 GBP
NZ Jewellers£4,282 GBP

29 data points across 12 retailers

14 retailers£1,629 GBP to £4,282 GBP

A
Cheapest Retailer
-
£1,629 GBP
₹208,183 INR
B+
Retailer 2
-
£1,834 GBP
$2,461 USD
View
B+
Retailer 3
-
£1,912 GBP
$2,566 USD
View
A
Retailer 4
-
£1,971 GBP
View
B+
Retailer 5
-
£2,012 GBP
$2,700 USD
View
A
Retailer 6
-
£2,049 GBP
$2,749 USD
View
B+
Retailer 7
-
£2,049 GBP
$2,749 USD
View
B+
Retailer 8
-
£2,127 GBP
$2,854 USD
View
B+
Retailer 9
-
£2,154 GBP
$2,890 USD
View
B+
Retailer 10
-
£2,228 GBP
View
B+
Retailer 11
-
£2,363 GBP
$3,171 USD
View
B+
Retailer 12
-
£2,518 GBP
ZAR 54,580 ZAR
View
B
Retailer 13
-
£3,608 GBP
View
Most Expensive
B
NZ Jewellers
e693495f-1fb0-40df-9f0e-6f42f34c109c · Oct 30
£4,282 GBP
$5,746 USD
View
13 more retailers have this diamond
Prices start from £1,629 GBPSave up to £2,653 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
1.63ct Heart
£1,629 GBP