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Heart|Natural|GIA

1.55ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1548429999

Certificate GIA 1548429999

Diamond specifications and retailer prices

From €5,054 EUR
£4,464 GBP
As of November 3, 2026
Save €4,436 EUR (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €9,490 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two 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 1548429999. Listed at 9 retailers as of November 3, 2026, with prices from €5,054 to €9,490, a €4,436 spread on the same certified stone. NZ Jewellers lists it at €9,490. 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

1.55
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.42°
Pavilion angle41.12°
OriginNatural
Grading LabGIA
CertificateGIA 1548429999
Dimensions7.16 × 7.92 × 4.75 mm
L/W Ratio1.11
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
7.16 mm7.92 mm1.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548429999
Side View
Table 63.0%Crown 41.42°Girdle: STK-VTKPavilion 41.12°Culet: NoneDepth 59.9%

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 3
Current: €9,490 EUR|Low: €5,012 EUR|High: €9,587 EUR|Avg: €6,445 EUR|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 2€5,054 EUR
Retailer 3€5,308 EUR
Retailer 5€5,385 EUR
Retailer 9€5,667 EUR
Retailer 6€5,674 EUR
Retailer 7€5,674 EUR
Retailer 8€5,757 EUR
Retailer 4€8,359 EUR
NZ Jewellers€9,490 EUR

44 data points across 9 retailers

9 retailers€5,054 EUR to €9,490 EUR

A
Cheapest Retailer
-
€5,054 EUR
£4,464 GBP
B+
Retailer 2
-
€5,308 EUR
£4,688 GBP
View
B+
Retailer 3
-
€5,385 EUR
$6,040 USD
View
Retailer 4
-
€5,667 EUR
A$9,778 AUD
View
Price last confirmed 24 days ago
B+
Retailer 5
-
€5,674 EUR
$6,364 USD
View
B+
Retailer 6
-
€5,674 EUR
$6,364 USD
View
B+
Retailer 7
-
€5,757 EUR
$6,457 USD
View
B
Retailer 8
-
€8,359 EUR
£7,382 GBP
View
Most Expensive
B
NZ Jewellers
bb6049b5-936b-4a3f-aa36-029f346d2117 · Nov 3
€9,490 EUR
$10,644 USD
View
8 more retailers have this diamond
Prices start from €5,054 EURSave up to €4,436 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
1.55ct Heart
€5,054 EUR