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Heart|Natural|GIA

0.91ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 6412283975

Certificate GIA 6412283975

Diamond specifications and retailer prices

From €1,090 EUR
$1,223 USD
As of November 2, 2026
Save €1,816 EUR (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,907 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 6412283975. Listed at 12 retailers as of October 30, 2026, with prices from €1,090 to €2,907, a €1,816 spread on the same certified stone. NZ Jewellers lists it at €2,907. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6412283975
Dimensions5.59 × 6.55 × 4.23 mm
L/W Ratio1.17
Top View
5.59 mm6.55 mm0.91 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6412283975
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 64.6%

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 2
Current: €2,907 EUR|Low: €1,090 EUR|High: €2,907 EUR|Avg: €1,555 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10€1,090 EUR
Retailer 6€1,223 EUR
Retailer 3€1,302 EUR
Retailer 9€1,302 EUR
Retailer 11€1,346 EUR
Retailer 8€1,363 EUR
Retailer 2€1,375 EUR
Retailer 7€1,437 EUR
Retailer 5€1,635 EUR
Retailer 4€2,183 EUR
NZ Jewellers€2,907 EUR

40 data points across 11 retailers

12 retailers€1,090 EUR to €2,907 EUR

A
Cheapest Retailer
-
€1,090 EUR
$1,223 USD
B+
Retailer 2
-
€1,223 EUR
$1,372 USD
View
B+
Retailer 3
-
€1,302 EUR
$1,460 USD
View
B+
Retailer 4
-
€1,302 EUR
$1,460 USD
View
B+
Retailer 5
-
€1,346 EUR
$1,510 USD
View
B+
Retailer 6
-
€1,363 EUR
$1,529 USD
View
B+
Retailer 7
-
€1,375 EUR
£1,214 GBP
View
Retailer 8
-
€1,437 EUR
£1,269 GBP
View
Price last confirmed 36 days ago
B+
Retailer 9
-
€1,635 EUR
CA$2,547 CAD
View
B
Retailer 10
-
€1,963 EUR
CA$3,058 CAD
View
B
Retailer 11
-
€2,183 EUR
£1,928 GBP
View
Most Expensive
B
NZ Jewellers
0b511d34-f01f-47c8-a762-6bc8371bfb2c · Oct 30
€2,907 EUR
$3,260 USD
View
11 more retailers have this diamond
Prices start from €1,090 EURSave up to €1,816 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
0.91ct Heart
€1,090 EUR