Heart|Natural|IGI

1.00ct E SI2 Heart Natural Diamond

VG • E/SI2 • IGI 743559130

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743559130

Diamond specifications and retailer prices

From $978 USD
As of November 2, 2026
Save $2,229 USD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,207 USD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559130. Listed at 14 retailers as of November 2, 2026, with prices from $978 to $3,207, a $2,229 spread on the same certified stone. NZ Jewellers lists it at $3,207. 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

1.00
Carat
E
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 743559130
Dimensions5.95 × 6.87 × 4.09 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
5.95 mm6.87 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559130
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,207 USD|Low: $978 USD|High: $3,207 USD|Avg: $1,513 USD
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
November 3, 2026
Retailer 7$978 USD
Retailer 10$1,107 USD
Retailer 4$1,214 USD
Retailer 12$1,239 USD
Retailer 2$1,297 USD
Retailer 3$1,315 USD
Retailer 5$1,315 USD
Retailer 9$1,325 USD
Retailer 13$1,375 USD
Retailer 6$1,449 USD
Retailer 11$1,450 USD
Retailer 14$1,517 USD
Retailer 8$2,407 USD
NZ Jewellers$3,207 USD

35 data points across 14 retailers

14 retailers$978 USD to $3,207 USD

A
Cheapest Retailer
-
$978 USD
A
Retailer 2
-
$1,107 USD
View
B+
Retailer 3
-
$1,214 USD
View
Final sale: no returns
A
Retailer 4
-
$1,239 USD
View
A
Retailer 5
-
$1,297 USD
View
A
Retailer 6
-
$1,315 USD
View
Retailer 7
-
$1,315 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,325 USD
View
A
Retailer 9
-
$1,375 USD
View
A
Retailer 10
-
$1,449 USD
View
Retailer 11
-
$1,450 USD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$1,517 USD
View
B+
Retailer 13
-
$2,407 USD
View
Most Expensive
B
NZ Jewellers
2ac9501a-f69a-483e-82a9-785b2124e472 · Nov 3
$3,207 USD
View
13 more retailers have this diamond
Prices start from $978 USDSave up to $2,229 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
1.00ct Heart
$978 USD