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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 $1,699 NZD
$956 USD
As of November 1, 2026
Save $3,708 NZD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,407 NZD at Moon Ocean · As of November 2, 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 $1,699 to $5,407, a $3,708 spread on the same certified stone. Moon Ocean lists it at $5,407. 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
Colour
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: $5,407 NZD|Low: $1,532 NZD|High: $5,439 NZD|Avg: $2,653 NZD|-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 2, 2026
Retailer 11$1,699 NZD
Retailer 7$1,742 NZD
Retailer 6$1,744 NZD
Retailer 14$1,893 NZD
Retailer 16$1,893 NZD
Retailer 15$1,966 NZD
Retailer 8$2,107 NZD
Retailer 17$2,136 NZD
Retailer 12$2,184 NZD
Retailer 3$2,293 NZD
Retailer 4$2,293 NZD
Retailer 5$2,364 NZD
Retailer 9$2,786 NZD
Retailer 2$2,922 NZD
Retailer 10$3,828 NZD
Retailer 13$5,097 NZD
Moon Ocean$5,407 NZD

30 data points across 17 retailers

15 retailers$1,699 NZD to $5,407 NZD

A
Cheapest Retailer
-
$1,699 NZD
$956 USD
A
Retailer 2
-
$1,742 NZD
$980 USD
View
A
Retailer 3
-
$1,744 NZD
$981 USD
View
A
Retailer 4
-
$1,893 NZD
$1,065 USD
View
A
Retailer 5
-
$1,893 NZD
$1,065 USD
View
A
Retailer 6
-
$1,966 NZD
$1,106 USD
View
A
Retailer 7
-
$2,136 NZD
$1,202 USD
View
B+
Retailer 8
-
$2,184 NZD
$1,229 USD
View
B+
Retailer 9
-
$2,293 NZD
$1,290 USD
View
B+
Retailer 10
-
$2,293 NZD
$1,290 USD
View
B+
Retailer 11
-
$2,364 NZD
$1,330 USD
View
B+
Retailer 12
-
$2,922 NZD
€1,566 EUR
View
B
Retailer 13
-
$3,828 NZD
£1,696 GBP
View
B
Retailer 14
-
$5,097 NZD
$2,868 USD
View
Most Expensive
B
Moon Ocean
NVN-D9DE9C83B-345 · Nov 2
$5,407 NZD
£2,396 GBP
View
14 more retailers have this diamond
Prices start from $1,699 NZDSave up to $3,708 NZD

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
$1,699 NZD