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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

VG • M/SI2 • GIA 6233704086

Certificate GIA 6233704086

Diamond specifications and retailer prices

From $2,930 AUD
As of November 3, 2026
Save $4,216 AUD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,146 AUD 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 6233704086. Listed at 5 retailers as of November 2, 2026, with prices from $2,930 to $7,146, a $4,216 spread on the same certified stone. NZ Jewellers lists it at $7,146. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
M
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38.72°
Pavilion angle36.07°
OriginNatural
Grading LabGIA
CertificateGIA 6233704086
Dimensions9.09 × 6.55 × 3.71 mm
L/W Ratio1.39
Top View
9.09 mm6.55 mm1.51 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6233704086
Side View
Table 64.0%Crown 38.72°GirdlePavilion 36.07°CuletDepth 56.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $7,146 AUD|Low: $2,930 AUD|High: $7,146 AUD|Avg: $3,705 AUD|+15.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$2,930 AUD
Retailer 2$3,013 AUD
Retailer 5$3,065 AUD
Retailer 4$3,100 AUD
Retailer 7$3,288 AUD
Retailer 6$3,640 AUD
NZ Jewellers$7,146 AUD

26 data points across 7 retailers

5 retailers$2,930 AUD to $7,146 AUD

B+
Cheapest Retailer
-
$2,930 AUD
B+
Retailer 2
-
$3,013 AUD
View
B+
Retailer 3
-
$3,065 AUD
View
B+
Retailer 4
-
$3,100 AUD
View
Most Expensive
C
NZ Jewellers
6b1865a8-1f44-4acf-9985-9238a24528ac · Nov 2
$7,146 AUD
$4,910 USD
View
4 more retailers have this diamond
Prices start from $2,930 AUDSave up to $4,216 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
$2,930 AUD