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Heart|Natural|GIA

1.54ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6101974580

Certificate GIA 6101974580

Diamond specifications and retailer prices

From €10,589 EUR
£9,352 GBP
As of November 1, 2026
Save €4,707 EUR (31%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €15,296 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct natural heart diamond

This 1.54ct 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 6101974580. Listed at 5 retailers as of November 1, 2026, with prices from €10,589 to €15,296, a €4,707 spread on the same certified stone. MOH London lists it at €15,296. 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

1.54
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6101974580
Dimensions7.80 × 8.01 × 4.08 mm
L/W Ratio1.03
Top View
7.80 mm8.01 mm1.54 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6101974580
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 50.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €15,296 EUR|Low: €9,009 EUR|High: €15,481 EUR|Avg: €11,818 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6€9,009 EUR
Retailer 3€10,589 EUR
Retailer 4€10,647 EUR
Retailer 2€12,338 EUR
Retailer 5€12,884 EUR
MOH London€15,296 EUR

44 data points across 6 retailers

5 retailers€10,589 EUR to €15,296 EUR

B
Cheapest Retailer
-
€10,589 EUR
£9,352 GBP
Retailer 2
-
€10,647 EUR
A$18,372 AUD
View
Price last confirmed 9 days ago
B
Retailer 3
-
€12,338 EUR
View
Retailer 4
-
€12,884 EUR
$14,451 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
F60ED5037 · Nov 2
€15,296 EUR
£13,509 GBP
View
4 more retailers have this diamond
Prices start from €10,589 EURSave up to €4,707 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
1.54ct Heart
€10,589 EUR