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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 $1,687 NZD
As of November 5, 2026
Save $1,008 NZD (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,695 NZD 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 $1,687 to $2,695, a $1,008 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,695. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,047 NZD|Low: $1,631 NZD|High: $2,828 NZD|Avg: $2,102 NZD|-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$1,631 NZD
Retailer 5$1,687 NZD
Retailer 10$1,752 NZD
Retailer 11$1,775 NZD
Retailer 7$1,798 NZD
Retailer 4$1,881 NZD
Retailer 9$2,029 NZD
Retailer 1$2,047 NZD
Retailer 6$2,369 NZD
Retailer 3$2,488 NZD
Retailer 2$2,513 NZD
Wholesale Diamonds Direct$2,695 NZD

34 data points across 12 retailers

12 retailers$1,687 NZD to $2,695 NZD

Retailer 1
-
$1,631 NZD
Price last confirmed 9 days ago
A
Retailer 2
-
$1,687 NZD
View
Retailer 3
-
$1,752 NZD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,775 NZD
View
Retailer 5
-
$1,798 NZD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,881 NZD
View
Retailer 7
-
$2,029 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,047 NZD
View
Retailer 9
-
$2,369 NZD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$2,488 NZD
View
B+
Retailer 11
-
$2,513 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
684459107 · Nov 6
$2,695 NZD
$1,494 USD
View
11 more retailers have this diamond
Prices start from $1,687 NZDSave up to $1,008 NZD

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
$1,687 NZD