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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 $935 USD
As of November 5, 2026
Save $559 USD (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,494 USD 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 $935 to $1,494, a $559 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,494. 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
Color
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: $1,135 USD|Low: $904 USD|High: $1,568 USD|Avg: $1,165 USD|-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$904 USD
Retailer 5$935 USD
Retailer 10$971 USD
Retailer 11$984 USD
Retailer 7$997 USD
Retailer 4$1,043 USD
Retailer 9$1,125 USD
Retailer 1$1,135 USD
Retailer 6$1,313 USD
Retailer 3$1,379 USD
Retailer 2$1,393 USD
Wholesale Diamonds Direct$1,494 USD

34 data points across 12 retailers

12 retailers$935 USD to $1,494 USD

Retailer 1
-
$904 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$935 USD
View
Retailer 3
-
$971 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$984 USD
View
Retailer 5
-
$997 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,043 USD
View
Retailer 7
-
$1,125 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,135 USD
View
Retailer 9
-
$1,313 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,379 USD
View
B+
Retailer 11
-
$1,393 USD
View
Most Expensive
B
Wholesale Diamonds Direct
684459107 · Nov 6
$1,494 USD
View
11 more retailers have this diamond
Prices start from $935 USDSave up to $559 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 Oval
$935 USD