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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

ID • M/SI2 • GIA 6532666645

Certificate GIA 6532666645

Diamond specifications and retailer prices

From $2,832 SGD
As of November 3, 2026
Save $3,087 SGD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,920 SGD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

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 6532666645. Listed at 6 retailers as of November 2, 2026, with prices from $2,832 to $5,920, a $3,087 spread on the same certified stone. NZ Jewellers lists it at $5,920. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.94°
Pavilion angle40.28°
OriginNatural
Grading LabGIA
CertificateGIA 6532666645
Dimensions8.97 × 6.42 × 4.03 mm
L/W Ratio1.40
Top View
8.97 mm6.42 mm1.51 ctM / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532666645
Side View
Table 61.0%Crown 37.94°GirdlePavilion 40.28°CuletDepth 62.7%

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 3
Current: $5,920 SGD|Low: $2,832 SGD|High: $5,922 SGD|Avg: $3,463 SGD|-0.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$2,832 SGD
Retailer 3$2,912 SGD
Retailer 4$2,963 SGD
Retailer 6$2,986 SGD
Retailer 8$3,145 SGD
Retailer 2$3,175 SGD
Retailer 7$3,482 SGD
NZ Jewellers$5,920 SGD

44 data points across 8 retailers

6 retailers$2,832 SGD to $5,920 SGD

A
Cheapest Retailer
-
$2,832 SGD
A
Retailer 2
-
$2,912 SGD
View
B+
Retailer 3
-
$2,963 SGD
View
B+
Retailer 4
-
$2,986 SGD
View
B+
Retailer 5
-
$3,175 SGD
View
Most Expensive
B
NZ Jewellers
c9a91147-1d70-4a0e-a0c1-0d8c696b7b7c · Nov 2
$5,920 SGD
$4,619 USD
View
5 more retailers have this diamond
Prices start from $2,832 SGDSave up to $3,087 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
$2,832 SGD