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Heart|Natural|GIA

0.91ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 2556551345

Certificate GIA 2556551345

Diamond specifications and retailer prices

From €856 EUR
$956 USD
As of November 1, 2026
Save €1,868 EUR (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,723 EUR at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556551345. Listed at 15 retailers as of November 1, 2026, with prices from €856 to €2,723, a €1,868 spread on the same certified stone. Moon Ocean lists it at €2,723. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556551345
Dimensions6.63 × 5.61 × 3.97 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.63 mm5.61 mm0.91 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556551345
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 60.0%

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 1
Current: €2,723 EUR|Low: €772 EUR|High: €2,739 EUR|Avg: €1,337 EUR|-0.4%
Moon Ocean
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 10€856 EUR
Retailer 7€877 EUR
Retailer 6€878 EUR
Retailer 14€953 EUR
Retailer 16€953 EUR
Retailer 15€990 EUR
Retailer 8€1,061 EUR
Retailer 17€1,076 EUR
Retailer 12€1,100 EUR
Retailer 3€1,155 EUR
Retailer 4€1,155 EUR
Retailer 5€1,190 EUR
Retailer 9€1,403 EUR
Retailer 11€1,473 EUR
Retailer 2€1,928 EUR
Retailer 13€2,567 EUR
Moon Ocean€2,723 EUR

29 data points across 17 retailers

15 retailers€856 EUR to €2,723 EUR

A
Cheapest Retailer
-
€856 EUR
$956 USD
A
Retailer 2
-
€877 EUR
$980 USD
View
A
Retailer 3
-
€878 EUR
$981 USD
View
A
Retailer 4
-
€953 EUR
$1,065 USD
View
A
Retailer 5
-
€953 EUR
$1,065 USD
View
A
Retailer 6
-
€990 EUR
$1,106 USD
View
A
Retailer 7
-
€1,076 EUR
$1,202 USD
View
B+
Retailer 8
-
€1,100 EUR
$1,229 USD
View
B+
Retailer 9
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 10
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 11
-
€1,190 EUR
$1,330 USD
View
B+
Retailer 12
-
€1,473 EUR
View
B
Retailer 13
-
€1,928 EUR
£1,696 GBP
View
B
Retailer 14
-
€2,567 EUR
$2,868 USD
View
Most Expensive
B
Moon Ocean
NVN-D9DE9C83B-345 · Nov 1
€2,723 EUR
£2,396 GBP
View
14 more retailers have this diamond
Prices start from €856 EURSave up to €1,868 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
€856 EUR