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Heart|Natural|GIA

0.91ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5556326450

Certificate GIA 5556326450

Diamond specifications and retailer prices

From $1,061 SGD
$830 USD
As of November 1, 2026
Save $2,342 SGD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,404 SGD 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 $1,061 to $3,404, a $2,342 spread on the same certified stone. Moon Ocean lists it at $3,404. 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
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: $3,404 SGD|Low: $875 SGD|High: $3,423 SGD|Avg: $1,669 SGD|+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$1,061 SGD
Retailer 8$1,087 SGD
Retailer 5$1,090 SGD
Retailer 6$1,132 SGD
Retailer 14$1,192 SGD
Retailer 16$1,192 SGD
Retailer 15$1,238 SGD
Retailer 9$1,347 SGD
Retailer 17$1,352 SGD
Retailer 12$1,375 SGD
Retailer 3$1,458 SGD
Retailer 18$1,458 SGD
Retailer 4$1,496 SGD
Retailer 10$1,741 SGD
Retailer 11$1,845 SGD
Retailer 2$2,409 SGD
Retailer 13$3,207 SGD
Moon Ocean$3,404 SGD

26 data points across 18 retailers

15 retailers$1,061 SGD to $3,404 SGD

A
Cheapest Retailer
-
$1,061 SGD
$830 USD
A
Retailer 2
-
$1,087 SGD
$850 USD
View
A
Retailer 3
-
$1,132 SGD
$885 USD
View
A
Retailer 4
-
$1,192 SGD
$932 USD
View
A
Retailer 5
-
$1,192 SGD
$932 USD
View
A
Retailer 6
-
$1,238 SGD
$968 USD
View
A
Retailer 7
-
$1,352 SGD
$1,057 USD
View
A
Retailer 8
-
$1,375 SGD
$1,075 USD
View
A
Retailer 9
-
$1,458 SGD
$1,140 USD
View
A
Retailer 10
-
$1,458 SGD
$1,140 USD
View
A
Retailer 11
-
$1,496 SGD
$1,170 USD
View
B+
Retailer 12
-
$1,845 SGD
€1,374 EUR
View
B+
Retailer 13
-
$2,409 SGD
£1,483 GBP
View
B
Retailer 14
-
$3,207 SGD
$2,508 USD
View
Most Expensive
B
Moon Ocean
NVN-FF42C4091-450 · Nov 2
$3,404 SGD
£2,096 GBP
View
14 more retailers have this diamond
Prices start from $1,061 SGDSave up to $2,342 SGD

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
$1,061 SGD