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Heart|Natural|GIA

1.01ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1555103137

Certificate GIA 1555103137

Diamond specifications and retailer prices

From $1,788 SGD
As of November 6, 2026
Save $2,212 SGD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,116 SGD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555103137. Listed at 16 retailers as of November 4, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555103137
Dimensions5.83 × 6.87 × 4.34 mm
L/W Ratio1.18
Girdle conditionFaceted
Top View
5.83 mm6.87 mm1.01 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555103137
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

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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 6
Current: $2,112 SGD|Low: $1,771 SGD|High: $4,295 SGD|Avg: $2,505 SGD|-5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3$1,788 SGD
Retailer 4$1,915 SGD
Retailer 11$2,006 SGD
Retailer 13$2,008 SGD
Retailer 5$2,044 SGD
Retailer 1$2,112 SGD
Retailer 10$2,127 SGD
Retailer 2$2,192 SGD
Retailer 7$2,272 SGD
Retailer 6$2,541 SGD
Retailer 8$2,795 SGD
Retailer 12$3,701 SGD
Retailer 9$4,000 SGD

27 data points across 13 retailers

16 retailers$1,788 SGD to $4,000 SGD

A
Cheapest Retailer
-
$1,788 SGD
A
Retailer 2
-
$1,915 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,006 SGD
View
A
Retailer 4
-
$2,008 SGD
View
A
Retailer 5
-
$2,044 SGD
View
A
Retailer 6
-
$2,112 SGD
View
A
Retailer 7
-
$2,127 SGD
View
A
Retailer 8
-
$2,192 SGD
View
A
Retailer 9
-
$2,272 SGD
View
A
Retailer 10
-
$2,541 SGD
View
B+
Retailer 11
-
$2,795 SGD
View
B+
Retailer 12
-
$2,822 SGD
View
Retailer 13
-
$3,168 SGD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$3,701 SGD
View
B+
Retailer 15
-
$4,000 SGD
View
Most Expensive
NZ Jewellers
9da6b538-8bf0-45f9-87c0-2c20698bda2b · Sep 25
$6,116 SGD
$4,772 USD
View
Price last confirmed 42 days ago
15 more retailers have this diamond
Prices start from $1,788 SGDSave up to $2,212 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
1.01ct Heart
$1,788 SGD