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Heart|Natural|IGI

1.18ct H SI2 Heart Natural Diamond

VG • H/SI2 • IGI 485151751

Shape and cutting style on the report: Heart brilliant

Certificate IGI 485151751

Diamond specifications and retailer prices

From $3,702 AUD
₹247,105 INR
As of November 2, 2026
Save $4,878 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,580 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.18ct natural heart diamond

This 1.18ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 485151751. Listed at 11 retailers as of November 2, 2026, with prices from $3,702 to $8,580, a $4,878 spread on the same certified stone. NZ Jewellers lists it at $8,580. 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

1.18
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.9°
Pavilion angle33.7°
OriginNatural
Grading LabIGI
CertificateIGI 485151751
Dimensions6.64 × 7.35 × 3.95 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Top View
6.64 mm7.35 mm1.18 ctH / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 485151751
Side View
Table 53.0%Crown 34.9°Girdle: MED-THKPavilion 33.7°Culet: NoneDepth 53.7%

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 2
Current: $8,580 AUD|Low: $3,695 AUD|High: $8,580 AUD|Avg: $5,512 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 6$3,702 AUD
Retailer 12$4,371 AUD
Retailer 11$4,545 AUD
Retailer 4$4,558 AUD
Retailer 8$4,924 AUD
Retailer 10$4,924 AUD
Retailer 3$4,928 AUD
Retailer 2$5,114 AUD
Retailer 5$5,682 AUD
Retailer 7$5,764 AUD
Retailer 9$8,236 AUD
NZ Jewellers$8,580 AUD

46 data points across 12 retailers

11 retailers$3,702 AUD to $8,580 AUD

B+
Cheapest Retailer
-
$3,702 AUD
₹247,105 INR
B
Retailer 2
-
$4,371 AUD
$3,063 USD
View
B
Retailer 3
-
$4,545 AUD
$3,185 USD
View
Final sale: no returns
B
Retailer 4
-
$4,558 AUD
$3,194 USD
View
B
Retailer 5
-
$4,924 AUD
$3,451 USD
View
B
Retailer 6
-
$4,924 AUD
$3,451 USD
View
B
Retailer 7
-
$5,114 AUD
$3,584 USD
View
C
Retailer 8
-
$5,682 AUD
$3,982 USD
View
B
Retailer 9
-
$5,764 AUD
€3,847 EUR
View
C
Retailer 10
-
$8,236 AUD
£4,545 GBP
View
Most Expensive
C
NZ Jewellers
1edae818-a232-4067-a73a-de292f94a721 · Nov 3
$8,580 AUD
$6,013 USD
View
10 more retailers have this diamond
Prices start from $3,702 AUDSave up to $4,878 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+
1.18ct Heart
$3,702 AUD