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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 $3,871 NZD
$2,178 USD
As of November 2, 2026
Save $3,476 NZD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,347 NZD at MOH London · As of November 2, 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 2, 2026, with prices from $3,871 to $7,347, a $3,476 spread on the same certified stone. MOH London lists it at $7,347. 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: $7,347 NZD|Low: $3,547 NZD|High: $7,437 NZD|Avg: $4,966 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$3,871 NZD
Retailer 4$4,194 NZD
Retailer 2$4,683 NZD
Retailer 6$4,843 NZD
Retailer 3$5,155 NZD
MOH London$7,347 NZD

41 data points across 6 retailers

6 retailers$3,871 NZD to $7,347 NZD

B+
Cheapest Retailer
-
$3,871 NZD
$2,178 USD
Final sale: no returns
B+
Retailer 2
-
$4,194 NZD
$2,360 USD
View
B+
Retailer 3
-
$4,683 NZD
£2,075 GBP
View
B+
Retailer 4
-
$4,843 NZD
$2,725 USD
View
B+
Retailer 5
-
$5,155 NZD
ZAR 46,859 ZAR
View
Most Expensive
B
MOH London
3B84A1CA2 · Nov 2
$7,347 NZD
£3,255 GBP
View
5 more retailers have this diamond
Prices start from $3,871 NZDSave up to $3,476 NZD

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
$3,871 NZD