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Oval|Natural|GIA

0.91ct K SI1 Oval Natural Diamond

GD • K/SI1 • GIA 1555721585

Certificate GIA 1555721585

Diamond specifications and retailer prices

From $1,323 AUD
As of November 5, 2026
Save $624 AUD (32%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,947 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.91ct natural oval diamond

This 0.91ct natural oval sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1555721585. Listed at 5 retailers as of November 5, 2026, with prices from $1,323 to $1,947, a $624 spread on the same certified stone. GemTrove lists it at $1,947. 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
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555721585
Dimensions7.24 × 5.38 × 3.58 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.24 mm5.38 mm0.91 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555721585
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,947 AUD|Low: $1,300 AUD|High: $1,947 AUD|Avg: $1,505 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3$1,323 AUD
Retailer 5$1,356 AUD
Retailer 2$1,359 AUD
Retailer 4$1,492 AUD
GemTrove$1,947 AUD

39 data points across 5 retailers

5 retailers$1,323 AUD to $1,947 AUD

B+
Cheapest Retailer
-
$1,323 AUD
B+
Retailer 2
-
$1,356 AUD
View
B+
Retailer 3
-
$1,359 AUD
View
B+
Retailer 4
-
$1,492 AUD
View
Most Expensive
B
GemTrove
GT-N-01283009-98 · Nov 6
$1,947 AUD
View
4 more retailers have this diamond
Prices start from $1,323 AUDSave up to $624 AUD

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.

B+
0.91ct Oval
$1,323 AUD