Heart|Natural|GIA

1.20ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2498419657

Certificate GIA 2498419657

Diamond specifications and retailer prices

From $1,944 USD
As of November 6, 2026
Save $2,623 USD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,567 USD 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 $1,944 to $4,567, a $2,623 spread on the same certified stone. NZ Jewellers lists it at $4,567. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,567 USD|Low: $2,196 USD|High: $4,567 USD|Avg: $3,161 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$2,196 USD
Retailer 3$2,396 USD
Retailer 2$2,711 USD
Retailer 6$3,168 USD
Retailer 4$3,816 USD
NZ Jewellers$4,567 USD

44 data points across 6 retailers

8 retailers$1,944 USD to $4,567 USD

B+
Cheapest Retailer
-
$1,944 USD
B+
Retailer 2
-
$2,160 USD
View
B+
Retailer 3
-
$2,196 USD
View
B+
Retailer 4
-
$2,396 USD
View
B+
Retailer 5
-
$2,711 USD
View
B
Retailer 6
-
$3,168 USD
View
B
Retailer 7
-
$3,816 USD
View
Most Expensive
B
NZ Jewellers
42e04ff4-d731-41b3-a91f-50d176a163f2 · Nov 5
$4,567 USD
View
7 more retailers have this diamond
Prices start from $1,944 USDSave up to $2,623 USD

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
$1,944 USD