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Oval|Natural|GIA

0.90ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 1515657312

Certificate GIA 1515657312

Diamond specifications and retailer prices

From $627 USD
As of November 6, 2026
Save $1,725 USD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,352 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural oval diamond

This 0.9ct 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 1515657312. Listed at 16 retailers as of November 5, 2026, with prices from $627 to $2,352, a $1,725 spread on the same certified stone. NZ Jewellers lists it at $2,352. 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

0.90
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40.16°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1515657312
Dimensions7.66 × 5.25 × 3.37 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Crystal
Top View
7.66 mm5.25 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1515657312
Side View
Table 61.0%Crown 40.16°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 64.2%

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 6
Current: $2,352 USD|Low: $635 USD|High: $2,352 USD|Avg: $1,048 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9$639 USD
Retailer 12$730 USD
Retailer 5$750 USD
Retailer 13$750 USD
Retailer 6$771 USD
Retailer 3$779 USD
Retailer 8$811 USD
Retailer 4$865 USD
Retailer 2$913 USD
Retailer 7$1,058 USD
Retailer 10$1,098 USD
Retailer 11$1,371 USD
NZ Jewellers$2,352 USD

43 data points across 13 retailers

16 retailers$627 USD to $2,352 USD

A
Cheapest Retailer
-
$627 USD
A
Retailer 2
-
$639 USD
View
A
Retailer 3
-
$730 USD
View
A
Retailer 4
-
$750 USD
View
Retailer 5
-
$750 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$762 USD
View
A
Retailer 7
-
$771 USD
View
A
Retailer 8
-
$779 USD
View
A
Retailer 9
-
$811 USD
View
A
Retailer 10
-
$865 USD
View
A
Retailer 11
-
$913 USD
View
B+
Retailer 12
-
$1,040 USD
View
B+
Retailer 13
-
$1,058 USD
View
B+
Retailer 14
-
$1,098 USD
View
B+
Retailer 15
-
$1,371 USD
View
Most Expensive
B
NZ Jewellers
655b4daf-6264-4c7e-9924-30d07812fd9f · Nov 5
$2,352 USD
View
15 more retailers have this diamond
Prices start from $627 USDSave up to $1,725 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
0.90ct Oval
$627 USD