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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 $2,034 SGD
As of November 6, 2026
Save $1,420 SGD (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,454 SGD 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 $2,034 to $3,454, a $1,420 spread on the same certified stone. Yorxs lists it at $3,454. 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
Colour
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: $2,834 SGD|Low: $2,034 SGD|High: $3,737 SGD|Avg: $2,959 SGD|-10.0%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 2$2,034 SGD
Retailer 1$2,834 SGD
Retailer 3$3,096 SGD
Yorxs$3,454 SGD

40 data points across 4 retailers

4 retailers$2,034 SGD to $3,454 SGD

A
Cheapest Retailer
-
$2,034 SGD
B+
Retailer 2
-
$2,834 SGD
View
B+
Retailer 3
-
$3,096 SGD
View
Most Expensive
B+
Yorxs
614598274 · Nov 6
$3,454 SGD
€2,567 EUR
View
3 more retailers have this diamond
Prices start from $2,034 SGDSave up to $1,420 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
1.51ct Oval
$2,034 SGD