CaratHunter
Plans
Heart|Natural|GIA

0.91ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5556326450

Certificate GIA 5556326450

Diamond specifications and retailer prices

From $830 USD
As of November 1, 2026
Save $1,831 USD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,661 USD 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 5556326450. Listed at 15 retailers as of November 1, 2026, with prices from $830 to $2,661, a $1,831 spread on the same certified stone. Moon Ocean lists it at $2,661. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5556326450
Dimensions6.65 × 5.58 × 4.03 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Etch Channel, Crystal, Needle, Indented Natural
Top View
6.65 mm5.58 mm0.91 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5556326450
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 60.6%

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 1
Current: $2,661 USD|Low: $684 USD|High: $2,677 USD|Avg: $1,301 USD|+0.8%
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
Retailer 18
November 2, 2026
Retailer 7$830 USD
Retailer 8$850 USD
Retailer 5$852 USD
Retailer 6$885 USD
Retailer 14$932 USD
Retailer 16$932 USD
Retailer 15$968 USD
Retailer 9$1,053 USD
Retailer 17$1,057 USD
Retailer 12$1,075 USD
Retailer 3$1,140 USD
Retailer 18$1,140 USD
Retailer 4$1,170 USD
Retailer 10$1,361 USD
Retailer 11$1,443 USD
Retailer 2$1,883 USD
Retailer 13$2,508 USD
Moon Ocean$2,661 USD

27 data points across 18 retailers

15 retailers$830 USD to $2,661 USD

A
Cheapest Retailer
-
$830 USD
A
Retailer 2
-
$850 USD
View
A
Retailer 3
-
$885 USD
View
A
Retailer 4
-
$932 USD
View
A
Retailer 5
-
$932 USD
View
A
Retailer 6
-
$968 USD
View
A
Retailer 7
-
$1,057 USD
View
A
Retailer 8
-
$1,075 USD
View
A
Retailer 9
-
$1,140 USD
View
A
Retailer 10
-
$1,140 USD
View
A
Retailer 11
-
$1,170 USD
View
B+
Retailer 12
-
$1,443 USD
€1,374 EUR
View
B+
Retailer 13
-
$1,883 USD
£1,483 GBP
View
B
Retailer 14
-
$2,508 USD
View
Most Expensive
B
Moon Ocean
NVN-FF42C4091-450 · Nov 2
$2,661 USD
£2,096 GBP
View
14 more retailers have this diamond
Prices start from $830 USDSave up to $1,831 USD

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
$830 USD