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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 $1,335 CAD
$956 USD
As of October 31, 2026
Save $2,915 CAD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,250 CAD 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 October 31, 2026, with prices from $1,335 to $4,250, a $2,915 spread on the same certified stone. Moon Ocean lists it at $4,250. 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: Oct 31
Current: $4,250 CAD|Low: $1,204 CAD|High: $4,275 CAD|Avg: $2,087 CAD|-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$1,335 CAD
Retailer 7$1,369 CAD
Retailer 6$1,370 CAD
Retailer 14$1,488 CAD
Retailer 16$1,488 CAD
Retailer 15$1,545 CAD
Retailer 8$1,656 CAD
Retailer 17$1,679 CAD
Retailer 12$1,717 CAD
Retailer 3$1,802 CAD
Retailer 4$1,802 CAD
Retailer 5$1,858 CAD
Retailer 9$2,189 CAD
Retailer 11$2,298 CAD
Retailer 2$3,009 CAD
Retailer 13$4,006 CAD
Moon Ocean$4,250 CAD

29 data points across 17 retailers

15 retailers$1,335 CAD to $4,250 CAD

A
Cheapest Retailer
-
$1,335 CAD
$956 USD
A
Retailer 2
-
$1,369 CAD
$980 USD
View
A
Retailer 3
-
$1,370 CAD
$981 USD
View
A
Retailer 4
-
$1,488 CAD
$1,065 USD
View
A
Retailer 5
-
$1,488 CAD
$1,065 USD
View
A
Retailer 6
-
$1,545 CAD
$1,106 USD
View
A
Retailer 7
-
$1,679 CAD
$1,202 USD
View
B+
Retailer 8
-
$1,717 CAD
$1,229 USD
View
B+
Retailer 9
-
$1,802 CAD
$1,290 USD
View
B+
Retailer 10
-
$1,802 CAD
$1,290 USD
View
B+
Retailer 11
-
$1,858 CAD
$1,330 USD
View
B+
Retailer 12
-
$2,298 CAD
€1,567 EUR
View
B
Retailer 13
-
$3,009 CAD
£1,696 GBP
View
B
Retailer 14
-
$4,006 CAD
$2,868 USD
View
Most Expensive
B
Moon Ocean
NVN-D9DE9C83B-345 · Nov 1
$4,250 CAD
£2,396 GBP
View
14 more retailers have this diamond
Prices start from $1,335 CADSave up to $2,915 CAD

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
$1,335 CAD