Heart|Natural|IGI

1.20ct I IF Heart Natural Diamond

VG • I/IF • IGI 803652669

Shape and cutting style on the report: Heart brilliant

Certificate IGI 803652669

Diamond specifications and retailer prices

From $3,625 USD
As of November 1, 2026
Save $3,266 USD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,891 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 803652669. Listed at 9 retailers as of November 1, 2026, with prices from $3,625 to $6,891, a $3,266 spread on the same certified stone. MOH London lists it at $6,891. 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

1.20
Carat
I
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 803652669
Dimensions6.35 × 7.48 × 4.60 mm
L/W Ratio1.18
Girdle conditionFaceted
Top View
6.35 mm7.48 mm1.20 ctI / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803652669
Side View
Table 56.0%Crown 34.8°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $6,891 USD|Low: $3,638 USD|High: $6,974 USD|Avg: $4,896 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$3,686 USD
Retailer 4$4,120 USD
Retailer 2$4,294 USD
Retailer 6$4,856 USD
Retailer 3$5,065 USD
Retailer 5$6,080 USD
MOH London$6,891 USD

45 data points across 7 retailers

9 retailers$3,625 USD to $6,891 USD

B+
Cheapest Retailer
-
$3,625 USD
B+
Retailer 2
-
$3,686 USD
View
B+
Retailer 3
-
$4,120 USD
View
B+
Retailer 4
-
$4,170 USD
View
B
Retailer 5
-
$4,268 USD
View
B+
Retailer 6
-
$4,294 USD
£3,381 GBP
View
B
Retailer 7
-
$5,065 USD
ZAR 81,819 ZAR
View
B
Retailer 8
-
$6,080 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
DA9866802 · Nov 1
$6,891 USD
£5,426 GBP
View
8 more retailers have this diamond
Prices start from $3,625 USDSave up to $3,266 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.

B+
1.20ct Heart
$3,625 USD