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Heart|Natural|GIA

1.21ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1418156170

Certificate GIA 1418156170

Diamond specifications and retailer prices

From €2,594 EUR
As of November 6, 2026
Save €5,109 EUR (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €7,703 EUR at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural heart diamond

This 1.21ct 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 1418156170. Listed at 8 retailers as of November 6, 2026, with prices from €2,594 to €7,703, a €5,109 spread on the same certified stone. Yorxs lists it at €7,703. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1418156170
Dimensions7.26 × 7.37 × 4.00 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
7.26 mm7.37 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1418156170
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.3%

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: €4,123 EUR|Low: €2,594 EUR|High: €7,764 EUR|Avg: €5,196 EUR|-37.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 7, 2026
Retailer 4€2,594 EUR
Retailer 3€2,758 EUR
Retailer 6€2,789 EUR
Retailer 5€2,886 EUR
Retailer 7€3,511 EUR
Retailer 1€4,123 EUR
Retailer 2€4,429 EUR
Yorxs€7,703 EUR

45 data points across 8 retailers

8 retailers€2,594 EUR to €7,703 EUR

B+
Cheapest Retailer
-
€2,594 EUR
B+
Retailer 2
-
€2,758 EUR
View
B+
Retailer 3
-
€2,789 EUR
View
B+
Retailer 4
-
€2,886 EUR
View
Final sale: no returns
B
Retailer 5
-
€3,511 EUR
View
B
Retailer 6
-
€4,123 EUR
View
B
Retailer 7
-
€4,429 EUR
View
Most Expensive
B
Yorxs
217813255 · Nov 6
€7,703 EUR
View
7 more retailers have this diamond
Prices start from €2,594 EURSave up to €5,109 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+
1.21ct Heart
€2,594 EUR