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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 $3,944 AUD
As of November 5, 2026
Save $4,304 AUD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,248 AUD 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 $3,944 to $8,248, a $4,304 spread on the same certified stone. NZ Jewellers lists it at $8,248. 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

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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: $8,248 AUD|Low: $2,729 AUD|High: $8,248 AUD|Avg: $4,341 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8$2,729 AUD
Retailer 7$3,282 AUD
Retailer 6$3,930 AUD
Retailer 2$3,944 AUD
Retailer 4$3,944 AUD
Retailer 5$4,097 AUD
Retailer 3$4,551 AUD
NZ Jewellers$8,248 AUD

11 data points across 8 retailers

5 retailers$3,944 AUD to $8,248 AUD

Retailer 1
-
$3,944 AUD
Price last confirmed 8 days ago
B
Retailer 2
-
$3,944 AUD
View
B
Retailer 3
-
$4,097 AUD
View
B
Retailer 4
-
$4,551 AUD
View
Most Expensive
C
NZ Jewellers
8299655f-3498-4c41-b03b-b87971629266 · Nov 5
$8,248 AUD
$5,667 USD
View
4 more retailers have this diamond
Prices start from $3,944 AUDSave up to $4,304 AUD

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
$3,944 AUD