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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 $2,377 AUD
As of November 6, 2026
Save $823 AUD (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,200 AUD 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 $2,377 to $3,200, a $823 spread on the same certified stone. Reve Diamonds lists it at $3,200. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,874 AUD|Low: $2,377 AUD|High: $3,737 AUD|Avg: $3,082 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Reve Diamonds
October 19, 2026
Retailer 5$2,377 AUD
Retailer 3$2,816 AUD
Retailer 1$2,874 AUD
Retailer 2$3,117 AUD
Reve Diamonds$3,200 AUD
Retailer 4$3,737 AUD

6 data points across 6 retailers

5 retailers$2,377 AUD to $3,200 AUD

B+
Cheapest Retailer
-
$2,377 AUD
B+
Retailer 2
-
$2,816 AUD
View
B+
Retailer 3
-
$2,874 AUD
View
B
Retailer 4
-
$3,117 AUD
View
Most Expensive
B
Reve Diamonds
523A23C98 · Nov 6
$3,200 AUD
$2,199 USD
View
4 more retailers have this diamond
Prices start from $2,377 AUDSave up to $823 AUD

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
$2,377 AUD