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Heart|Natural|GIA

0.91ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6551101722

Certificate GIA 6551101722

Diamond specifications and retailer prices

From €1,313 EUR
$1,473 USD
As of November 1, 2026
Save €2,339 EUR (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,652 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-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 6551101722. Listed at 15 retailers as of October 30, 2026, with prices from €1,313 to €3,652, a €2,339 spread on the same certified stone. NZ Jewellers lists it at €3,652. 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

0.91
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.61°
Pavilion angle41.52°
OriginNatural
Grading LabGIA
CertificateGIA 6551101722
Dimensions5.68 × 6.62 × 3.94 mm
L/W Ratio1.17
Top View
5.68 mm6.62 mm0.91 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551101722
Side View
Table 59.0%Crown 38.61°Girdle: THK-VTKPavilion 41.52°Culet: NoneDepth 59.4%

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 1
Current: €3,652 EUR|Low: €1,267 EUR|High: €3,652 EUR|Avg: €1,949 EUR
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
November 2, 2026
Retailer 4€1,313 EUR
Retailer 13€1,364 EUR
Retailer 12€1,381 EUR
Retailer 3€1,497 EUR
Retailer 5€1,497 EUR
Retailer 14€1,560 EUR
Retailer 11€1,567 EUR
Retailer 9€1,678 EUR
Retailer 6€1,728 EUR
Retailer 15€1,815 EUR
Retailer 7€2,002 EUR
Retailer 10€2,208 EUR
Retailer 2€2,624 EUR
Retailer 8€2,881 EUR
NZ Jewellers€3,652 EUR

42 data points across 15 retailers

15 retailers€1,313 EUR to €3,652 EUR

B+
Cheapest Retailer
-
€1,313 EUR
$1,473 USD
B+
Retailer 2
-
€1,364 EUR
$1,530 USD
View
B+
Retailer 3
-
€1,381 EUR
$1,549 USD
View
Final sale: no returns
B+
Retailer 4
-
€1,497 EUR
$1,679 USD
View
B+
Retailer 5
-
€1,497 EUR
$1,679 USD
View
B+
Retailer 6
-
€1,560 EUR
$1,750 USD
View
B+
Retailer 7
-
€1,567 EUR
$1,757 USD
View
B+
Retailer 8
-
€1,678 EUR
£1,482 GBP
View
B+
Retailer 9
-
€1,728 EUR
$1,938 USD
View
B+
Retailer 10
-
€1,815 EUR
$2,036 USD
View
Retailer 11
-
€2,002 EUR
A$3,454 AUD
View
Price last confirmed 27 days ago
B
Retailer 12
-
€2,208 EUR
ZAR 40,017 ZAR
View
B
Retailer 13
-
€2,624 EUR
£2,317 GBP
View
B
Retailer 14
-
€2,881 EUR
£2,545 GBP
View
Most Expensive
B
NZ Jewellers
2df41225-1307-453d-9b46-2a8edd1b8f93 · Oct 30
€3,652 EUR
$4,096 USD
View
14 more retailers have this diamond
Prices start from €1,313 EURSave up to €2,339 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+
0.91ct Heart
€1,313 EUR