CaratHunter
Plans
Heart|Natural|IGI

1.51ct G SI1 Heart Natural Diamond

VG • G/SI1 • IGI 801639168

Shape and cutting style on the report: Heart brilliant

Certificate IGI 801639168

Diamond specifications and retailer prices

From $4,778 CAD
$3,419 USD
As of November 1, 2026
Save $4,599 CAD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,377 CAD 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 801639168. Listed at 15 retailers as of October 30, 2026, with prices from $4,778 to $9,377, a $4,599 spread on the same certified stone. NZ Jewellers lists it at $9,377. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 801639168
Dimensions7.04 × 7.68 × 4.70 mm
L/W Ratio1.09
Girdle conditionFaceted
Top View
7.04 mm7.68 mm1.51 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 801639168
Side View
Table 61.0%Crown 36.5°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 61.2%

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 1
Current: $9,377 CAD|Low: $4,778 CAD|High: $9,377 CAD|Avg: $5,813 CAD
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$4,778 CAD
Retailer 12$4,779 CAD
Retailer 6$4,869 CAD
Retailer 4$4,966 CAD
Retailer 2$5,071 CAD
Retailer 3$5,381 CAD
Retailer 13$5,381 CAD
Retailer 7$5,587 CAD
Retailer 15$5,588 CAD
Retailer 9$5,608 CAD
Retailer 14$6,210 CAD
Retailer 8$6,300 CAD
Retailer 11$6,615 CAD
Retailer 10$9,001 CAD
NZ Jewellers$9,377 CAD

14 data points across 15 retailers

15 retailers$4,778 CAD to $9,377 CAD

A
Cheapest Retailer
-
$4,778 CAD
$3,419 USD
A
Retailer 2
-
$4,779 CAD
$3,420 USD
View
A
Retailer 3
-
$4,869 CAD
$3,484 USD
View
A
Retailer 4
-
$4,966 CAD
$3,554 USD
View
Final sale: no returns
A
Retailer 5
-
$5,071 CAD
£2,857 GBP
View
A
Retailer 6
-
$5,381 CAD
$3,851 USD
View
A
Retailer 7
-
$5,381 CAD
$3,851 USD
View
B+
Retailer 8
-
$5,587 CAD
$3,998 USD
View
B+
Retailer 9
-
$5,588 CAD
$3,999 USD
View
A
Retailer 10
-
$5,608 CAD
£3,160 GBP
View
B+
Retailer 11
-
$6,210 CAD
$4,444 USD
View
B+
Retailer 12
-
$6,300 CAD
€4,294 EUR
View
B+
Retailer 13
-
$6,615 CAD
ZAR 76,479 ZAR
View
B
Retailer 14
-
$9,001 CAD
£5,072 GBP
View
Most Expensive
B
NZ Jewellers
486ccb40-1214-460a-8f96-964fb2254931 · Oct 30
$9,377 CAD
$6,710 USD
View
14 more retailers have this diamond
Prices start from $4,778 CADSave up to $4,599 CAD

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
$4,778 CAD