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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5553470793

Certificate GIA 5553470793

Diamond specifications and retailer prices

From €2,419 EUR
As of November 6, 2026
Save €2,590 EUR (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,009 EUR 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553470793. Listed at 19 retailers as of November 5, 2026, with prices from €2,419 to €5,009, a €2,590 spread on the same certified stone. NZ Jewellers lists it at €5,009. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.48°
Pavilion angle43.49°
OriginNatural
Grading LabGIA
CertificateGIA 5553470793
Dimensions7.24 × 6.27 × 4.52 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.24 mm6.27 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553470793
Side View
Table 59.0%Crown 37.48°Girdle: Slightly ThickPavilion 43.49°Culet: NoneDepth 62.4%

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: €5,009 EUR|Low: €2,419 EUR|High: €5,163 EUR|Avg: €3,343 EUR|-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
November 7, 2026
Retailer 5€2,419 EUR
Retailer 15€2,537 EUR
Retailer 14€2,614 EUR
Retailer 9€2,733 EUR
Retailer 16€2,748 EUR
Retailer 13€2,750 EUR
Retailer 8€2,875 EUR
Retailer 12€2,931 EUR
Retailer 11€2,941 EUR
Retailer 18€2,961 EUR
Retailer 10€2,964 EUR
Retailer 7€3,052 EUR
Retailer 3€3,166 EUR
Retailer 4€3,268 EUR
Retailer 17€3,298 EUR
Retailer 6€3,509 EUR
Retailer 2€4,712 EUR
NZ Jewellers€5,009 EUR

27 data points across 18 retailers

19 retailers€2,419 EUR to €5,009 EUR

B+
Cheapest Retailer
-
€2,419 EUR
B+
Retailer 2
-
€2,537 EUR
View
B+
Retailer 3
-
€2,614 EUR
View
Final sale: no returns
B+
Retailer 4
-
€2,733 EUR
View
B+
Retailer 5
-
€2,748 EUR
View
B+
Retailer 6
-
€2,750 EUR
View
B+
Retailer 7
-
€2,875 EUR
View
B+
Retailer 8
-
€2,931 EUR
View
B+
Retailer 9
-
€2,941 EUR
View
B
Retailer 10
-
€2,961 EUR
View
Retailer 11
-
€2,964 EUR
View
Price last confirmed 9 days ago
B
Retailer 12
-
€3,052 EUR
View
Retailer 13
-
€3,166 EUR
View
Price last confirmed 31 days ago
B
Retailer 14
-
€3,166 EUR
View
B
Retailer 15
-
€3,268 EUR
View
B
Retailer 16
-
€3,298 EUR
View
B
Retailer 17
-
€3,509 EUR
View
B
Retailer 18
-
€4,712 EUR
View
Most Expensive
B
NZ Jewellers
2fce64ee-7c30-4c4a-bfd7-58f9eb41f63c · Nov 5
€5,009 EUR
$5,593 USD
View
18 more retailers have this diamond
Prices start from €2,419 EURSave up to €2,590 EUR

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
€2,419 EUR