CaratHunter
Plans
Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6551190913

Certificate GIA 6551190913

Diamond specifications and retailer prices

From $3,732 USD
As of November 6, 2026
Save $3,882 USD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,614 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 6551190913. Listed at 19 retailers as of November 5, 2026, with prices from $3,732 to $7,614, a $3,882 spread on the same certified stone. NZ Jewellers lists it at $7,614. 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
SymmetryExcellent
FluorescenceNone
Crown angle36.14°
Pavilion angle44.14°
OriginNatural
Grading LabGIA
CertificateGIA 6551190913
Dimensions7.39 × 6.47 × 4.43 mm
L/W Ratio1.14
Top View
7.39 mm6.47 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551190913
Side View
Table 61.0%Crown 36.14°Girdle: Slightly ThickPavilion 44.14°Culet: NoneDepth 59.9%

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: $7,614 USD|Low: $3,732 USD|High: $7,848 USD|Avg: $5,045 USD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 8$3,732 USD
Retailer 5$3,845 USD
Retailer 9$4,033 USD
Retailer 4$4,069 USD
Retailer 3$4,145 USD
Retailer 2$4,240 USD
Retailer 17$4,370 USD
Retailer 18$4,370 USD
Retailer 13$4,427 USD
Retailer 10$4,505 USD
Retailer 19$4,519 USD
Retailer 11$4,541 USD
Retailer 15$4,583 USD
Retailer 6$4,604 USD
Retailer 12$4,918 USD
Retailer 7$5,043 USD
Retailer 14$5,332 USD
Retailer 16$6,941 USD
NZ Jewellers$7,614 USD

34 data points across 19 retailers

19 retailers$3,732 USD to $7,614 USD

B+
Cheapest Retailer
-
$3,732 USD
B+
Retailer 2
-
$3,845 USD
View
B
Retailer 3
-
$4,033 USD
View
Final sale: no returns
B
Retailer 4
-
$4,069 USD
View
B
Retailer 5
-
$4,145 USD
View
B+
Retailer 6
-
$4,240 USD
View
B+
Retailer 7
-
$4,370 USD
View
B+
Retailer 8
-
$4,370 USD
View
B+
Retailer 9
-
$4,427 USD
View
Retailer 10
-
$4,505 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$4,519 USD
View
Retailer 12
-
$4,541 USD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$4,583 USD
View
B
Retailer 14
-
$4,604 USD
View
B
Retailer 15
-
$4,918 USD
View
B
Retailer 16
-
$5,043 USD
View
B
Retailer 17
-
$5,332 USD
View
B
Retailer 18
-
$6,941 USD
View
Most Expensive
B
NZ Jewellers
0a25a36f-e9c2-4d5b-ab2c-e956a9981c5e · Nov 5
$7,614 USD
View
18 more retailers have this diamond
Prices start from $3,732 USDSave up to $3,882 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
$3,732 USD