CaratHunter
Plans
Heart|Natural|HRD

1.00ct E SI2 Heart Natural Diamond

EX • E/SI2 • HRD 250000138643

Certificate HRD 250000138643

Diamond specifications and retailer prices

From $1,555 SGD
As of November 4, 2026
Save $2,557 SGD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,111 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000138643. Listed at 11 retailers as of November 4, 2026, with prices from $1,555 to $4,111, a $2,557 spread on the same certified stone. NZ Jewellers lists it at $4,111. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 250000138643
Dimensions5.95 × 6.88 × 4.12 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
5.95 mm6.88 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateHRD 250000138643
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.9%

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 4
Current: $4,111 SGD|Low: $1,425 SGD|High: $4,111 SGD|Avg: $2,113 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
November 4, 2026
Retailer 6$1,480 SGD
Retailer 8$1,555 SGD
Retailer 14$1,562 SGD
Retailer 10$1,685 SGD
Retailer 12$1,685 SGD
Retailer 11$1,722 SGD
Retailer 9$1,763 SGD
Retailer 3$1,858 SGD
Retailer 7$1,858 SGD
Retailer 13$1,945 SGD
Retailer 5$2,434 SGD
Retailer 4$2,723 SGD
Retailer 2$3,078 SGD
NZ Jewellers$4,111 SGD

16 data points across 14 retailers

11 retailers$1,555 SGD to $4,111 SGD

A
Cheapest Retailer
-
$1,555 SGD
Final sale: no returns
A
Retailer 2
-
$1,562 SGD
View
A
Retailer 3
-
$1,685 SGD
View
Retailer 4
-
$1,685 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,722 SGD
View
A
Retailer 6
-
$1,763 SGD
View
A
Retailer 7
-
$1,858 SGD
View
Retailer 8
-
$1,858 SGD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,945 SGD
View
B+
Retailer 10
-
$3,078 SGD
View
Most Expensive
B
NZ Jewellers
310381e3-fa44-4fe5-9abd-567d2ab7c5fb · Nov 5
$4,111 SGD
$3,208 USD
View
10 more retailers have this diamond
Prices start from $1,555 SGDSave up to $2,557 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
$1,555 SGD