Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 5413323903

Certificate GIA 5413323903

Diamond specifications and retailer prices

From $3,649 USD
As of November 5, 2026
Save $4,537 USD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,186 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 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 5413323903. Listed at 11 retailers as of November 5, 2026, with prices from $3,649 to $8,186, a $4,537 spread on the same certified stone. NZ Jewellers lists it at $8,186. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5413323903
Dimensions6.36 × 7.37 × 4.28 mm
L/W Ratio1.16
Top View
6.36 mm7.37 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5413323903
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.0%

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 5
Current: $8,186 USD|Low: $3,509 USD|High: $8,186 USD|Avg: $5,047 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$3,649 USD
Retailer 7$3,716 USD
Retailer 5$3,929 USD
Retailer 6$4,257 USD
Retailer 8$4,257 USD
Retailer 2$4,671 USD
Retailer 9$4,911 USD
Retailer 10$5,196 USD
Retailer 4$7,463 USD
NZ Jewellers$8,186 USD

38 data points across 10 retailers

11 retailers$3,649 USD to $8,186 USD

B+
Cheapest Retailer
-
$3,649 USD
B+
Retailer 2
-
$3,716 USD
View
B
Retailer 3
-
$3,782 USD
View
B
Retailer 4
-
$3,907 USD
View
B
Retailer 5
-
$3,929 USD
View
Final sale: no returns
B
Retailer 6
-
$4,257 USD
View
B
Retailer 7
-
$4,257 USD
View
B
Retailer 8
-
$4,671 USD
View
B
Retailer 9
-
$4,911 USD
View
B
Retailer 10
-
$7,463 USD
View
Most Expensive
B
NZ Jewellers
f98dea9f-60bb-4ddc-afc2-d8ee93f13844 · Nov 5
$8,186 USD
View
10 more retailers have this diamond
Prices start from $3,649 USDSave up to $4,537 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
$3,649 USD