Heart|Natural|IGI

1.20ct I SI2 Heart Natural Diamond

GD • I/SI2 • IGI 175557369

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 175557369

Diamond specifications and retailer prices

From $1,633 USD
As of November 6, 2026
Save $566 USD (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,199 USD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 175557369. Listed at 5 retailers as of November 6, 2026, with prices from $1,633 to $2,199, a $566 spread on the same certified stone. Reve Diamonds lists it at $2,199. 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
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceFaint
Crown angle44.2°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 175557369
Dimensions6.27 × 5.77 × 4.15 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
6.27 mm5.77 mm1.20 ctI / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 175557369
Side View
Table 63.0%Crown 44.2°Girdle: MED-VTKPavilion 38.5°Culet: NoneDepth 71.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $1,975 USD|Low: $1,633 USD|High: $2,568 USD|Avg: $2,117 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Reve Diamonds
October 19, 2026
Retailer 5$1,633 USD
Retailer 3$1,935 USD
Retailer 1$1,975 USD
Retailer 2$2,142 USD
Reve Diamonds$2,199 USD
Retailer 4$2,568 USD

6 data points across 6 retailers

5 retailers$1,633 USD to $2,199 USD

B+
Cheapest Retailer
-
$1,633 USD
B+
Retailer 2
-
$1,935 USD
View
B+
Retailer 3
-
$1,975 USD
View
Retailer 4
-
$2,142 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
523A23C98 · Nov 6
$2,199 USD
View
4 more retailers have this diamond
Prices start from $1,633 USDSave up to $566 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
$1,633 USD