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Heart|Natural|IGI

1.50ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 681559672

Shape and cutting style on the report: Heart brilliant

Certificate IGI 681559672

Diamond specifications and retailer prices

From $1,936 SGD
As of November 5, 2026
Save $2,484 SGD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,624 SGD at NZ Jewellers · As of September 20, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 681559672. Listed at 15 retailers as of November 4, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35.8°
OriginNatural
Grading LabIGI
CertificateIGI 681559672
Dimensions6.88 × 7.88 × 4.54 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
6.88 mm7.88 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 681559672
Side View
Table 60.0%Crown 39.3°Girdle: STK-VTKPavilion 35.8°Culet: NoneDepth 57.6%

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 5
Current: $2,331 SGD|Low: $1,936 SGD|High: $4,579 SGD|Avg: $2,987 SGD|-39.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8$1,936 SGD
Retailer 1$2,331 SGD
Retailer 3$2,467 SGD
Retailer 7$2,516 SGD
Retailer 12$2,536 SGD
Retailer 11$2,550 SGD
Retailer 4$2,554 SGD
Retailer 2$2,659 SGD
Retailer 9$3,087 SGD
Retailer 5$3,683 SGD
Retailer 6$4,265 SGD
Retailer 10$4,420 SGD

23 data points across 12 retailers

15 retailers$1,936 SGD to $4,420 SGD

A
Cheapest Retailer
-
$1,936 SGD
B+
Retailer 2
-
$2,331 SGD
View
A
Retailer 3
-
$2,467 SGD
View
A
Retailer 4
-
$2,516 SGD
View
A
Retailer 5
-
$2,536 SGD
View
B+
Retailer 6
-
$2,550 SGD
View
Retailer 7
-
$2,554 SGD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$2,659 SGD
View
Retailer 9
-
$2,690 SGD
View
Price last confirmed 46 days ago
B+
Retailer 10
-
$2,730 SGD
View
B+
Retailer 11
-
$3,087 SGD
View
B+
Retailer 12
-
$3,683 SGD
View
B+
Retailer 13
-
$4,265 SGD
View
B+
Retailer 14
-
$4,420 SGD
View
Most Expensive
NZ Jewellers
894ea465-fda4-48ff-a268-5fac68c966c3 · Sep 20
$5,624 SGD
$4,388 USD
View
Price last confirmed 47 days ago
14 more retailers have this diamond
Prices start from $1,936 SGDSave up to $2,484 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.

A
1.50ct Heart
$1,936 SGD