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Heart|Natural|IGI

1.59ct I IF Heart Natural Diamond

VG • I/IF • IGI 781623358

Shape and cutting style on the report: Heart brilliant

Certificate IGI 781623358

Diamond specifications and retailer prices

From $4,114 USD
As of November 4, 2026
Save $4,519 USD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,633 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.59ct natural heart diamond

This 1.59ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 781623358. Listed at 5 retailers as of November 4, 2026, with prices from $4,114 to $8,633, a $4,519 spread on the same certified stone. MOH London lists it at $8,633. 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

1.59
Carat
I
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.3°
OriginNatural
Grading LabIGI
CertificateIGI 781623358
Dimensions7.26 × 7.93 × 4.58 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
7.26 mm7.93 mm1.59 ctI / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 781623358
Side View
Table 55.0%Crown 35.1°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 57.8%

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 4
Current: $8,633 USD|Low: $4,109 USD|High: $8,767 USD|Avg: $5,840 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3$4,114 USD
Retailer 5$4,801 USD
Retailer 2$5,354 USD
Retailer 4$6,148 USD
MOH London$8,633 USD

46 data points across 5 retailers

5 retailers$4,114 USD to $8,633 USD

A
Cheapest Retailer
-
$4,114 USD
A
Retailer 2
-
$4,801 USD
View
A
Retailer 3
-
$5,354 USD
View
A
Retailer 4
-
$6,148 USD
View
Most Expensive
B
MOH London
F6A317A45 · Nov 4
$8,633 USD
£6,798 GBP
View
4 more retailers have this diamond
Prices start from $4,114 USDSave up to $4,519 USD

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
1.59ct Heart
$4,114 USD