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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 $4,611 NZD
₹247,105 INR
As of November 2, 2026
Save $6,076 NZD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,687 NZD 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 $4,611 to $10,687, a $6,076 spread on the same certified stone. NZ Jewellers lists it at $10,687. 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: $10,687 NZD|Low: $4,602 NZD|High: $10,687 NZD|Avg: $6,865 NZD
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$4,611 NZD
Retailer 12$5,444 NZD
Retailer 11$5,661 NZD
Retailer 4$5,677 NZD
Retailer 8$6,133 NZD
Retailer 10$6,133 NZD
Retailer 3$6,138 NZD
Retailer 2$6,370 NZD
Retailer 5$7,077 NZD
Retailer 7$7,179 NZD
Retailer 9$10,259 NZD
NZ Jewellers$10,687 NZD

46 data points across 12 retailers

11 retailers$4,611 NZD to $10,687 NZD

B+
Cheapest Retailer
-
$4,611 NZD
₹247,105 INR
B
Retailer 2
-
$5,444 NZD
$3,063 USD
View
B
Retailer 3
-
$5,661 NZD
$3,185 USD
View
Final sale: no returns
B
Retailer 4
-
$5,677 NZD
$3,194 USD
View
B
Retailer 5
-
$6,133 NZD
$3,451 USD
View
B
Retailer 6
-
$6,133 NZD
$3,451 USD
View
B
Retailer 7
-
$6,370 NZD
$3,584 USD
View
C
Retailer 8
-
$7,077 NZD
$3,982 USD
View
B
Retailer 9
-
$7,179 NZD
€3,847 EUR
View
C
Retailer 10
-
$10,259 NZD
£4,545 GBP
View
Most Expensive
C
NZ Jewellers
1edae818-a232-4067-a73a-de292f94a721 · Nov 3
$10,687 NZD
$6,013 USD
View
10 more retailers have this diamond
Prices start from $4,611 NZDSave up to $6,076 NZD

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
$4,611 NZD