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Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 6542974224

Certificate GIA 6542974224

Diamond specifications and retailer prices

From $6,505 AUD
HK$35,700 HKD
As of November 1, 2026
Save $8,017 AUD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,522 AUD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542974224. Listed at 20 retailers as of October 30, 2026, with prices from $6,505 to $14,522, a $8,017 spread on the same certified stone. NZ Jewellers lists it at $14,522. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542974224
Dimensions8.85 × 6.45 × 4.20 mm
L/W Ratio1.37
Top View
8.85 mm6.45 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542974224
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 65.1%

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 1
Current: $14,522 AUD|Low: $6,451 AUD|High: $14,953 AUD|Avg: $8,596 AUD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 15$6,505 AUD
Retailer 3$6,584 AUD
Retailer 9$6,859 AUD
Retailer 12$6,966 AUD
Retailer 6$7,004 AUD
Retailer 10$7,260 AUD
Retailer 4$7,865 AUD
Retailer 5$7,865 AUD
Retailer 8$7,865 AUD
Retailer 20$7,907 AUD
Retailer 14$8,330 AUD
Retailer 2$8,412 AUD
Retailer 17$8,428 AUD
Retailer 19$8,428 AUD
Retailer 18$8,712 AUD
Retailer 16$8,925 AUD
Retailer 11$9,075 AUD
Retailer 7$9,937 AUD
Retailer 13$12,791 AUD
NZ Jewellers$14,522 AUD

24 data points across 20 retailers

20 retailers$6,505 AUD to $14,522 AUD

A
Cheapest Retailer
-
$6,505 AUD
HK$35,700 HKD
A
Retailer 2
-
$6,584 AUD
$4,625 USD
View
A
Retailer 3
-
$6,859 AUD
$4,818 USD
View
A
Retailer 4
-
$6,966 AUD
$4,893 USD
View
A
Retailer 5
-
$7,004 AUD
$4,920 USD
View
A
Retailer 6
-
$7,260 AUD
$5,100 USD
View
Final sale: no returns
A
Retailer 7
-
$7,865 AUD
$5,525 USD
View
A
Retailer 8
-
$7,865 AUD
$5,525 USD
View
A
Retailer 9
-
$7,865 AUD
$5,525 USD
View
A
Retailer 10
-
$7,907 AUD
$5,554 USD
View
A
Retailer 11
-
$8,330 AUD
£4,607 GBP
View
A
Retailer 12
-
$8,412 AUD
£4,653 GBP
View
A
Retailer 13
-
$8,428 AUD
$5,920 USD
View
A
Retailer 14
-
$8,428 AUD
$5,920 USD
View
A
Retailer 15
-
$8,712 AUD
$6,120 USD
View
A
Retailer 16
-
$8,925 AUD
€5,971 EUR
View
B+
Retailer 17
-
$9,075 AUD
$6,375 USD
View
B+
Retailer 18
-
$9,937 AUD
$6,980 USD
View
B+
Retailer 19
-
$12,791 AUD
£7,075 GBP
View
Most Expensive
B
NZ Jewellers
cb77cd7d-8c2c-4a6e-8b6f-273c1d609289 · Oct 30
$14,522 AUD
$10,201 USD
View
19 more retailers have this diamond
Prices start from $6,505 AUDSave up to $8,017 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.

A
1.51ct Oval
$6,505 AUD