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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2546010111

Certificate GIA 2546010111

Diamond specifications and retailer prices

From $1,833 SGD
$1,433 USD
As of November 2, 2026
Save $3,011 SGD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,843 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546010111. Listed at 16 retailers as of October 30, 2026, with prices from $1,833 to $4,843, a $3,011 spread on the same certified stone. NZ Jewellers lists it at $4,843. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.78°
Pavilion angle38.79°
OriginNatural
Grading LabGIA
CertificateGIA 2546010111
Dimensions6.06 × 6.87 × 3.96 mm
L/W Ratio1.13
Top View
6.06 mm6.87 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546010111
Side View
Table 56.0%Crown 37.78°Girdle: THK-VTKPavilion 38.79°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 2
Current: $4,843 SGD|Low: $1,679 SGD|High: $4,843 SGD|Avg: $2,378 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 2, 2026
Retailer 14$1,833 SGD
Retailer 4$1,840 SGD
Retailer 13$1,842 SGD
Retailer 11$1,930 SGD
Retailer 2$1,937 SGD
Retailer 3$1,985 SGD
Retailer 5$1,985 SGD
Retailer 12$2,077 SGD
Retailer 15$2,193 SGD
Retailer 8$2,224 SGD
Retailer 6$2,291 SGD
Retailer 10$2,424 SGD
Retailer 7$2,682 SGD
Retailer 9$3,479 SGD
NZ Jewellers$4,843 SGD

34 data points across 15 retailers

16 retailers$1,833 SGD to $4,843 SGD

A
Cheapest Retailer
-
$1,833 SGD
$1,433 USD
Final sale: no returns
A
Retailer 2
-
$1,840 SGD
$1,439 USD
View
A
Retailer 3
-
$1,842 SGD
$1,440 USD
View
A
Retailer 4
-
$1,930 SGD
$1,509 USD
View
A
Retailer 5
-
$1,937 SGD
£1,192 GBP
View
A
Retailer 6
-
$1,985 SGD
$1,552 USD
View
A
Retailer 7
-
$1,985 SGD
$1,552 USD
View
A
Retailer 8
-
$2,077 SGD
$1,624 USD
View
A
Retailer 9
-
$2,193 SGD
$1,715 USD
View
A
Retailer 10
-
$2,224 SGD
£1,369 GBP
View
B+
Retailer 11
-
$2,291 SGD
$1,791 USD
View
Retailer 12
-
$2,339 SGD
£1,440 GBP
View
Price last confirmed 36 days ago
B+
Retailer 13
-
$2,424 SGD
ZAR 30,614 ZAR
View
Retailer 14
-
$2,682 SGD
A$3,226 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
$3,479 SGD
£2,142 GBP
View
Most Expensive
B
NZ Jewellers
0c9d224c-bc33-4999-bb6f-ec63abb3d2eb · Oct 30
$4,843 SGD
$3,787 USD
View
15 more retailers have this diamond
Prices start from $1,833 SGDSave up to $3,011 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
$1,833 SGD