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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 $3,987 NZD
As of November 3, 2026
Save $4,346 NZD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,332 NZD 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 $3,987 to $8,332, a $4,346 spread on the same certified stone. NZ Jewellers lists it at $8,332. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $8,332 NZD|Low: $3,987 NZD|High: $8,336 NZD|Avg: $4,874 NZD|-0.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$3,987 NZD
Retailer 3$4,098 NZD
Retailer 4$4,171 NZD
Retailer 6$4,203 NZD
Retailer 8$4,427 NZD
Retailer 2$4,468 NZD
Retailer 7$4,901 NZD
NZ Jewellers$8,332 NZD

44 data points across 8 retailers

6 retailers$3,987 NZD to $8,332 NZD

A
Cheapest Retailer
-
$3,987 NZD
A
Retailer 2
-
$4,098 NZD
View
B+
Retailer 3
-
$4,171 NZD
View
B+
Retailer 4
-
$4,203 NZD
View
B+
Retailer 5
-
$4,468 NZD
View
Most Expensive
B
NZ Jewellers
c9a91147-1d70-4a0e-a0c1-0d8c696b7b7c · Nov 2
$8,332 NZD
$4,619 USD
View
5 more retailers have this diamond
Prices start from $3,987 NZDSave up to $4,346 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
1.51ct Oval
$3,987 NZD