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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6555455676

Certificate GIA 6555455676

Diamond specifications and retailer prices

From €1,960 EUR
As of November 6, 2026
Save €3,489 EUR (64%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €5,449 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 6555455676. Listed at 25 retailers as of November 5, 2026, with prices from €1,960 to €5,449, a €3,489 spread on the same certified stone. NZ Jewellers lists it at €5,449. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555455676
Dimensions6.73 × 7.43 × 4.26 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.73 mm7.43 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555455676
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €5,449 EUR|Low: €1,960 EUR|High: €5,480 EUR|Avg: €3,158 EUR|-0.6%
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 7, 2026
Retailer 7€1,960 EUR
Retailer 13€2,046 EUR
Retailer 18€2,313 EUR
Retailer 19€2,339 EUR
Retailer 9€2,406 EUR
Retailer 14€2,528 EUR
Retailer 3€2,606 EUR
Retailer 11€2,621 EUR
Retailer 5€2,707 EUR
Retailer 16€2,729 EUR
Retailer 8€2,734 EUR
Retailer 12€2,759 EUR
Retailer 4€2,820 EUR
Retailer 6€3,008 EUR
Retailer 15€3,034 EUR
Retailer 17€3,181 EUR
Retailer 2€4,336 EUR
Retailer 10€5,255 EUR
NZ Jewellers€5,449 EUR

23 data points across 19 retailers

25 retailers€1,960 EUR to €5,449 EUR

A
Cheapest Retailer
-
€1,960 EUR
A
Retailer 2
-
€2,046 EUR
View
B+
Retailer 3
-
€2,313 EUR
View
B+
Retailer 4
-
€2,339 EUR
View
B+
Retailer 5
-
€2,406 EUR
View
Final sale: no returns
B+
Retailer 6
-
€2,416 EUR
View
B+
Retailer 7
-
€2,457 EUR
View
B+
Retailer 8
-
€2,459 EUR
View
B+
Retailer 9
-
€2,528 EUR
View
B+
Retailer 10
-
€2,606 EUR
View
Retailer 11
-
€2,621 EUR
View
Price last confirmed 9 days ago
Retailer 12
-
€2,621 EUR
View
Price last confirmed 22 days ago
B+
Retailer 13
-
€2,707 EUR
View
B+
Retailer 14
-
€2,729 EUR
View
B+
Retailer 15
-
€2,734 EUR
View
B+
Retailer 16
-
€2,741 EUR
View
B+
Retailer 17
-
€2,759 EUR
View
B+
Retailer 18
-
€2,820 EUR
View
Retailer 19
-
€2,952 EUR
View
Price last confirmed 31 days ago
B+
Retailer 20
-
€3,008 EUR
View
B
Retailer 21
-
€3,034 EUR
View
B
Retailer 22
-
€3,181 EUR
View
B
Retailer 23
-
€4,336 EUR
View
Retailer 24
-
€5,255 EUR
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
6391fe8e-3615-4d57-b729-822588072907 · Nov 5
€5,449 EUR
$6,084 USD
View
24 more retailers have this diamond
Prices start from €1,960 EURSave up to €3,489 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.

A
1.20ct Heart
€1,960 EUR