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Heart|Natural|IGI

1.51ct G SI2 Heart Natural Diamond

VG • G/SI2 • IGI 743535355

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743535355

Diamond specifications and retailer prices

From $2,652 USD
As of November 1, 2026
Save $3,540 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,192 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743535355. Listed at 12 retailers as of October 30, 2026, with prices from $2,652 to $6,192, a $3,540 spread on the same certified stone. NZ Jewellers lists it at $6,192. 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

1.51
Carat
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 743535355
Dimensions6.85 × 7.85 × 4.68 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
6.85 mm7.85 mm1.51 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 743535355
Side View
Table 57.0%Crown 36.9°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 59.6%

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 1
Current: $6,192 USD|Low: $2,506 USD|High: $6,192 USD|Avg: $3,392 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
Retailer 15
November 2, 2026
Retailer 5$2,652 USD
Retailer 10$2,734 USD
Retailer 13$2,740 USD
Retailer 11$2,832 USD
Retailer 2$2,869 USD
Retailer 12$2,962 USD
Retailer 14$2,962 USD
Retailer 9$3,076 USD
Retailer 4$3,104 USD
Retailer 6$3,112 USD
Retailer 15$3,418 USD
Retailer 3$3,524 USD
Retailer 7$3,618 USD
Retailer 8$4,953 USD
NZ Jewellers$6,192 USD

35 data points across 15 retailers

12 retailers$2,652 USD to $6,192 USD

A
Cheapest Retailer
-
$2,652 USD
A
Retailer 2
-
$2,734 USD
View
Final sale: no returns
A
Retailer 3
-
$2,740 USD
View
A
Retailer 4
-
$2,832 USD
View
A
Retailer 5
-
$2,869 USD
£2,259 GBP
View
B+
Retailer 6
-
$2,962 USD
View
B+
Retailer 7
-
$2,962 USD
View
B+
Retailer 8
-
$3,076 USD
View
B+
Retailer 9
-
$3,104 USD
View
B+
Retailer 10
-
$3,418 USD
View
B+
Retailer 11
-
$4,953 USD
£3,900 GBP
View
Most Expensive
B
NZ Jewellers
4fd0a448-43df-424a-8443-5fa286347a15 · Oct 30
$6,192 USD
View
11 more retailers have this diamond
Prices start from $2,652 USDSave up to $3,540 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
1.51ct Heart
$2,652 USD