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Oval|Natural|GIA

0.91ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 2557905310

Certificate GIA 2557905310

Diamond specifications and retailer prices

From $1,361 AUD
As of November 5, 2026
Save $813 AUD (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,174 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557905310. Listed at 12 retailers as of November 5, 2026, with prices from $1,361 to $2,174, a $813 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,174. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.76°
Pavilion angle39.34°
OriginNatural
Grading LabGIA
CertificateGIA 2557905310
Dimensions7.87 × 5.39 × 3.27 mm
L/W Ratio1.46
Culet sizeNone
Top View
7.87 mm5.39 mm0.91 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557905310
Side View
Table 59.0%Crown 38.76°Girdle: STK-THKPavilion 39.34°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,652 AUD|Low: $1,316 AUD|High: $2,282 AUD|Avg: $1,696 AUD|-5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$1,316 AUD
Retailer 5$1,361 AUD
Retailer 10$1,413 AUD
Retailer 11$1,432 AUD
Retailer 7$1,451 AUD
Retailer 4$1,518 AUD
Retailer 9$1,637 AUD
Retailer 1$1,652 AUD
Retailer 6$1,911 AUD
Retailer 3$2,007 AUD
Retailer 2$2,027 AUD
Wholesale Diamonds Direct$2,174 AUD

34 data points across 12 retailers

12 retailers$1,361 AUD to $2,174 AUD

Retailer 1
-
$1,316 AUD
Price last confirmed 9 days ago
A
Retailer 2
-
$1,361 AUD
View
Retailer 3
-
$1,413 AUD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,432 AUD
View
Retailer 5
-
$1,451 AUD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,518 AUD
View
Retailer 7
-
$1,637 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,652 AUD
View
Retailer 9
-
$1,911 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$2,007 AUD
View
B+
Retailer 11
-
$2,027 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
684459107 · Nov 6
$2,174 AUD
$1,494 USD
View
11 more retailers have this diamond
Prices start from $1,361 AUDSave up to $813 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.

A
0.91ct Oval
$1,361 AUD