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Heart|Natural|GIA

1.01ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 1379616165

Certificate GIA 1379616165

Diamond specifications and retailer prices

From $1,594 SGD
As of November 6, 2026
Save $3,855 SGD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,449 SGD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1379616165. Listed at 18 retailers as of November 5, 2026, with prices from $1,594 to $5,449, a $3,855 spread on the same certified stone. NZ Jewellers lists it at $5,449. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1379616165
Dimensions6.12 × 6.35 × 4.00 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle, Indented Natural, Natural
Top View
6.12 mm6.35 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1379616165
Side View
Table 61.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 62.9%

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 6
Current: $1,594 SGD|Low: $1,594 SGD|High: $3,961 SGD|Avg: $2,529 SGD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$1,594 SGD
Retailer 10$1,624 SGD
Retailer 2$2,153 SGD
Retailer 3$2,167 SGD
Retailer 9$2,172 SGD
Retailer 5$2,254 SGD
Retailer 6$2,479 SGD
Retailer 7$2,726 SGD
Retailer 4$3,034 SGD
Retailer 8$3,902 SGD

27 data points across 10 retailers

18 retailers$1,594 SGD to $5,449 SGD

A
Cheapest Retailer
-
$1,594 SGD
A
Retailer 2
-
$1,624 SGD
View
B+
Retailer 3
-
$2,153 SGD
View
B+
Retailer 4
-
$2,167 SGD
View
B+
Retailer 5
-
$2,172 SGD
View
Retailer 6
-
$2,234 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,234 SGD
View
B+
Retailer 8
-
$2,254 SGD
View
B+
Retailer 9
-
$2,338 SGD
View
B
Retailer 10
-
$2,409 SGD
View
B
Retailer 11
-
$2,440 SGD
View
B
Retailer 12
-
$2,479 SGD
View
B
Retailer 13
-
$2,577 SGD
View
B
Retailer 14
-
$2,726 SGD
View
B
Retailer 15
-
$3,034 SGD
View
B
Retailer 16
-
$3,902 SGD
View
B
Retailer 17
-
$4,257 SGD
View
Most Expensive
C
NZ Jewellers
4b47987b-8a0b-42b7-a750-6590096d8bd8 · Nov 5
$5,449 SGD
$4,252 USD
View
17 more retailers have this diamond
Prices start from $1,594 SGDSave up to $3,855 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
$1,594 SGD