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 $3,318 SGD
₹247,105 INR
As of November 2, 2026
Save $4,372 SGD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,690 SGD 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 $3,318 to $7,690, a $4,372 spread on the same certified stone. NZ Jewellers lists it at $7,690. 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: $7,690 SGD|Low: $3,312 SGD|High: $7,690 SGD|Avg: $4,940 SGD
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$3,318 SGD
Retailer 12$3,917 SGD
Retailer 11$4,073 SGD
Retailer 4$4,085 SGD
Retailer 8$4,413 SGD
Retailer 10$4,413 SGD
Retailer 3$4,417 SGD
Retailer 2$4,584 SGD
Retailer 5$5,093 SGD
Retailer 7$5,166 SGD
Retailer 9$7,382 SGD
NZ Jewellers$7,690 SGD

46 data points across 12 retailers

11 retailers$3,318 SGD to $7,690 SGD

B+
Cheapest Retailer
-
$3,318 SGD
₹247,105 INR
B
Retailer 2
-
$3,917 SGD
$3,063 USD
View
B
Retailer 3
-
$4,073 SGD
$3,185 USD
View
Final sale: no returns
B
Retailer 4
-
$4,085 SGD
$3,194 USD
View
B
Retailer 5
-
$4,413 SGD
$3,451 USD
View
B
Retailer 6
-
$4,413 SGD
$3,451 USD
View
B
Retailer 7
-
$4,584 SGD
$3,584 USD
View
C
Retailer 8
-
$5,093 SGD
$3,982 USD
View
B
Retailer 9
-
$5,166 SGD
€3,847 EUR
View
C
Retailer 10
-
$7,382 SGD
£4,545 GBP
View
Most Expensive
C
NZ Jewellers
1edae818-a232-4067-a73a-de292f94a721 · Nov 3
$7,690 SGD
$6,013 USD
View
10 more retailers have this diamond
Prices start from $3,318 SGDSave up to $4,372 SGD

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
$3,318 SGD