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Heart|Natural|IGI

1.00ct J VS1 Heart Natural Diamond

GD • J/VS1 • IGI 811689390

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI 811689390

Diamond specifications and retailer prices

From $1,737 SGD
As of November 6, 2026
Save $2,852 SGD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,588 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI 811689390. Listed at 15 retailers as of November 5, 2026, with prices from $1,737 to $4,588, a $2,852 spread on the same certified stone. NZ Jewellers lists it at $4,588. 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

1.00
Carat
J
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle32.8°
OriginNatural
Grading LabIGI
CertificateIGI 811689390
Dimensions5.87 × 6.05 × 3.86 mm
L/W Ratio1.03
Girdle conditionFaceted
Top View
5.87 mm6.05 mm1.00 ctJ / VS1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811689390
Side View
Table 60.0%Crown 35.9°Girdle: THK-ETKPavilion 32.8°Culet: NoneDepth 63.8%

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 6
Current: $4,588 SGD|Low: $1,737 SGD|High: $4,588 SGD|Avg: $2,498 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
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 15$1,737 SGD
Retailer 13$1,743 SGD
Retailer 8$1,788 SGD
Retailer 3$1,881 SGD
Retailer 5$1,881 SGD
Retailer 7$1,888 SGD
Retailer 4$1,969 SGD
Retailer 12$2,006 SGD
Retailer 14$2,054 SGD
Retailer 2$2,106 SGD
Retailer 11$2,171 SGD
Retailer 10$2,295 SGD
Retailer 9$2,604 SGD
Retailer 6$3,313 SGD
NZ Jewellers$4,588 SGD

42 data points across 15 retailers

15 retailers$1,737 SGD to $4,588 SGD

B+
Cheapest Retailer
-
$1,737 SGD
Final sale: no returns
B+
Retailer 2
-
$1,743 SGD
View
A
Retailer 3
-
$1,788 SGD
View
B+
Retailer 4
-
$1,881 SGD
View
Retailer 5
-
$1,881 SGD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$1,888 SGD
View
B+
Retailer 7
-
$1,969 SGD
View
B+
Retailer 8
-
$2,006 SGD
View
B+
Retailer 9
-
$2,054 SGD
View
B+
Retailer 10
-
$2,106 SGD
View
B+
Retailer 11
-
$2,171 SGD
View
B+
Retailer 12
-
$2,295 SGD
View
B+
Retailer 13
-
$2,604 SGD
View
Retailer 14
-
$3,313 SGD
View
Price last confirmed 9 days ago
Most Expensive
C
NZ Jewellers
3f3a0364-7cc6-4e1d-a7f0-77af122d8d8b · Nov 5
$4,588 SGD
$3,580 USD
View
14 more retailers have this diamond
Prices start from $1,737 SGDSave up to $2,852 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
1.00ct Heart
$1,737 SGD