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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 $1,198 SGD
As of November 5, 2026
Save $716 SGD (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,914 SGD 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 $1,198 to $1,914, a $716 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,914. 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: $1,455 SGD|Low: $1,159 SGD|High: $2,009 SGD|Avg: $1,493 SGD|-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$1,159 SGD
Retailer 5$1,198 SGD
Retailer 10$1,244 SGD
Retailer 11$1,261 SGD
Retailer 7$1,278 SGD
Retailer 4$1,337 SGD
Retailer 9$1,442 SGD
Retailer 1$1,455 SGD
Retailer 6$1,683 SGD
Retailer 3$1,767 SGD
Retailer 2$1,785 SGD
Wholesale Diamonds Direct$1,914 SGD

34 data points across 12 retailers

12 retailers$1,198 SGD to $1,914 SGD

Retailer 1
-
$1,159 SGD
Price last confirmed 9 days ago
A
Retailer 2
-
$1,198 SGD
View
Retailer 3
-
$1,244 SGD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,261 SGD
View
Retailer 5
-
$1,278 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,337 SGD
View
Retailer 7
-
$1,442 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,455 SGD
View
Retailer 9
-
$1,683 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,767 SGD
View
B+
Retailer 11
-
$1,785 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
684459107 · Nov 6
$1,914 SGD
$1,494 USD
View
11 more retailers have this diamond
Prices start from $1,198 SGDSave up to $716 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 Oval
$1,198 SGD