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Heart|Natural|GIA

0.91ct J SI1 Heart Natural Diamond

J/SI1 • GIA 2201780148

Certificate GIA 2201780148

Diamond specifications and retailer prices

From $3,750 AUD
€2,503 EUR
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $3,750 AUD at Yorxs
View at Yorxs

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 2201780148. Listed at 2 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
J
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2201780148
Dimensions6.31 × 6.89 × 2.56 mm
L/W Ratio1.09
Key to symbols
Twinning Wisp, Indented Natural, Cavity, Feather
Top View
6.31 mm6.89 mm0.91 ctJ / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 2201780148
Side View
Table 69.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 37.2%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: $3,563 AUD|Low: $2,811 AUD|High: $3,752 AUD|Avg: $3,231 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 2, 2026
Retailer 3$2,811 AUD
Retailer 2$2,854 AUD
Retailer 1$3,563 AUD
Yorxs$3,750 AUD

17 data points across 4 retailers

2 retailers

Retailer 1
-
$3,563 AUD
Price last confirmed 33 days ago
Most Expensive
C
Yorxs
F67792DA5 · Nov 2
$3,750 AUD
€2,503 EUR
View
1 more retailer has this diamond

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.

C
0.91ct Heart
$3,750 AUD