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Heart|Natural|IGI

1.53ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 499129389

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 499129389

Diamond specifications and retailer prices

From £1,626 GBP
$2,178 USD
As of November 2, 2026
Save £1,460 GBP (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,085 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct natural heart diamond

This 1.53ct 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 499129389. Listed at 6 retailers as of November 1, 2026, with prices from £1,626 to £3,085, a £1,460 spread on the same certified stone. MOH London lists it at £3,085. 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

1.53
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle39.3°
Pavilion angle34.6°
OriginNatural
Grading LabIGI
CertificateIGI 499129389
Dimensions6.82 × 6.18 × 4.22 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.82 mm6.18 mm1.53 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI 499129389
Side View
Table 62.0%Crown 39.3°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,085 GBP|Low: £1,490 GBP|High: £3,123 GBP|Avg: £2,080 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5£1,626 GBP
Retailer 4£1,761 GBP
Retailer 2£1,967 GBP
Retailer 6£2,034 GBP
Retailer 3£2,165 GBP
MOH London£3,085 GBP

42 data points across 6 retailers

6 retailers£1,626 GBP to £3,085 GBP

B+
Cheapest Retailer
-
£1,626 GBP
$2,178 USD
Final sale: no returns
B+
Retailer 2
-
£1,761 GBP
$2,360 USD
View
B+
Retailer 3
-
£1,967 GBP
View
B+
Retailer 4
-
£2,034 GBP
$2,725 USD
View
B+
Retailer 5
-
£2,165 GBP
ZAR 46,859 ZAR
View
Most Expensive
B
MOH London
3B84A1CA2 · Nov 1
£3,085 GBP
View
5 more retailers have this diamond
Prices start from £1,626 GBPSave up to £1,460 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.

B+
1.53ct Heart
£1,626 GBP