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Heart|Natural|IGI

1.20ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 828653750

Shape and cutting style on the report: Heart brilliant

Certificate IGI 828653750

Diamond specifications and retailer prices

From $2,080 USD
As of November 6, 2026
Save $2,830 USD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,910 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828653750. Listed at 15 retailers as of November 5, 2026, with prices from $2,080 to $4,910, a $2,830 spread on the same certified stone. NZ Jewellers lists it at $4,910. 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
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 828653750
Dimensions6.15 × 7.24 × 4.55 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Top View
6.15 mm7.24 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653750
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 62.8%

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 6
Current: $4,910 USD|Low: $2,080 USD|High: $5,010 USD|Avg: $2,726 USD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 8$2,080 USD
Retailer 2$2,125 USD
Retailer 9$2,233 USD
Retailer 5$2,297 USD
Retailer 15$2,345 USD
Retailer 3$2,349 USD
Retailer 7$2,396 USD
Retailer 10$2,441 USD
Retailer 4$2,457 USD
Retailer 6$2,471 USD
Retailer 11$2,545 USD
Retailer 12$2,657 USD
Retailer 13$2,866 USD
Retailer 14$4,103 USD
NZ Jewellers$4,910 USD

14 data points across 15 retailers

15 retailers$2,080 USD to $4,910 USD

A
Cheapest Retailer
-
$2,080 USD
B+
Retailer 2
-
$2,125 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,233 USD
View
B+
Retailer 4
-
$2,297 USD
View
B+
Retailer 5
-
$2,345 USD
View
B+
Retailer 6
-
$2,349 USD
View
Retailer 7
-
$2,396 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,441 USD
View
B+
Retailer 9
-
$2,457 USD
View
B+
Retailer 10
-
$2,471 USD
View
B+
Retailer 11
-
$2,545 USD
View
B+
Retailer 12
-
$2,657 USD
View
B
Retailer 13
-
$2,866 USD
View
B
Retailer 14
-
$4,103 USD
View
Most Expensive
B
NZ Jewellers
05724fd7-2c60-418b-ab97-b3717312dcc7 · Nov 5
$4,910 USD
View
14 more retailers have this diamond
Prices start from $2,080 USDSave up to $2,830 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
1.20ct Heart
$2,080 USD