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Heart|Natural|GIA

1.20ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2498419657

Certificate GIA 2498419657

Diamond specifications and retailer prices

From $2,491 SGD
As of November 6, 2026
Save $3,362 SGD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,853 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct 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 2498419657. Listed at 8 retailers as of November 5, 2026, with prices from $2,491 to $5,853, a $3,362 spread on the same certified stone. NZ Jewellers lists it at $5,853. 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

1.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2498419657
Dimensions6.73 × 7.21 × 4.09 mm
L/W Ratio1.07
Top View
6.73 mm7.21 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2498419657
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,853 SGD|Low: $2,814 SGD|High: $5,853 SGD|Avg: $4,051 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$2,814 SGD
Retailer 3$3,071 SGD
Retailer 2$3,474 SGD
Retailer 6$4,060 SGD
Retailer 4$4,891 SGD
NZ Jewellers$5,853 SGD

44 data points across 6 retailers

8 retailers$2,491 SGD to $5,853 SGD

B+
Cheapest Retailer
-
$2,491 SGD
B+
Retailer 2
-
$2,768 SGD
View
B+
Retailer 3
-
$2,814 SGD
View
B+
Retailer 4
-
$3,071 SGD
View
B+
Retailer 5
-
$3,474 SGD
View
B
Retailer 6
-
$4,060 SGD
View
B
Retailer 7
-
$4,891 SGD
View
Most Expensive
B
NZ Jewellers
42e04ff4-d731-41b3-a91f-50d176a163f2 · Nov 5
$5,853 SGD
$4,567 USD
View
7 more retailers have this diamond
Prices start from $2,491 SGDSave up to $3,362 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.

B+
1.20ct Heart
$2,491 SGD