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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

EX • M/SI2 • GIA 7456640006

Certificate GIA 7456640006

Diamond specifications and retailer prices

From $4,889 NZD
As of November 5, 2026
Save $5,334 NZD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $10,223 NZD at NZ Jewellers · As of November 5, 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 7456640006. Listed at 5 retailers as of November 5, 2026, with prices from $4,889 to $10,223, a $5,334 spread on the same certified stone. NZ Jewellers lists it at $10,223. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7456640006
Dimensions9.98 × 6.32 × 3.75 mm
L/W Ratio1.58
Top View
9.98 mm6.32 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7456640006
Side View
TableCrownGirdlePavilionCulet: NoneDepth

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,223 NZD|Low: $3,382 NZD|High: $10,223 NZD|Avg: $5,380 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8$3,382 NZD
Retailer 7$4,068 NZD
Retailer 6$4,871 NZD
Retailer 2$4,889 NZD
Retailer 4$4,889 NZD
Retailer 5$5,078 NZD
Retailer 3$5,641 NZD
NZ Jewellers$10,223 NZD

11 data points across 8 retailers

5 retailers$4,889 NZD to $10,223 NZD

Retailer 1
-
$4,889 NZD
Price last confirmed 8 days ago
B
Retailer 2
-
$4,889 NZD
View
B
Retailer 3
-
$5,078 NZD
View
B
Retailer 4
-
$5,641 NZD
View
Most Expensive
C
NZ Jewellers
8299655f-3498-4c41-b03b-b87971629266 · Nov 5
$10,223 NZD
$5,667 USD
View
4 more retailers have this diamond
Prices start from $4,889 NZDSave up to $5,334 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.

B
1.51ct Oval
$4,889 NZD