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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

EX • M/SI2 • GIA 1558727921

Certificate GIA 1558727921

Diamond specifications and retailer prices

From $1,587 USD
As of November 6, 2026
Save $1,108 USD (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,695 USD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558727921. Listed at 4 retailers as of November 6, 2026, with prices from $1,587 to $2,695, a $1,108 spread on the same certified stone. Yorxs 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

1.51
Carat
M
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle34.88°
OriginNatural
Grading LabGIA
CertificateGIA 1558727921
Dimensions8.90 × 6.28 × 3.98 mm
L/W Ratio1.42
Key to symbols
Crystal, Needle
Top View
8.90 mm6.28 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558727921
Side View
Table 59.0%CrownGirdle: THK-VTKPavilion 34.88°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,211 USD|Low: $1,587 USD|High: $2,916 USD|Avg: $2,309 USD|-10.0%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 2$1,587 USD
Retailer 1$2,211 USD
Retailer 3$2,416 USD
Yorxs$2,695 USD

40 data points across 4 retailers

4 retailers$1,587 USD to $2,695 USD

A
Cheapest Retailer
-
$1,587 USD
B+
Retailer 2
-
$2,211 USD
View
B+
Retailer 3
-
$2,416 USD
View
Most Expensive
B+
Yorxs
614598274 · Nov 6
$2,695 USD
€2,567 EUR
View
3 more retailers have this diamond
Prices start from $1,587 USDSave up to $1,108 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
1.51ct Oval
$1,587 USD