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Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 6552656702

Certificate GIA 6552656702

Diamond specifications and retailer prices

From $5,551 AUD
$3,899 USD
As of November 1, 2026
Save $7,450 AUD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,000 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 6552656702. Listed at 20 retailers as of October 30, 2026, with prices from $5,551 to $13,000, a $7,450 spread on the same certified stone. NZ Jewellers lists it at $13,000. 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
Crown angle39.7°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552656702
Dimensions8.76 × 6.43 × 4.10 mm
L/W Ratio1.36
Girdle conditionFaceted
Top View
8.76 mm6.43 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552656702
Side View
Table 63.0%Crown 39.7°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 63.8%

Caratlytics Score

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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 1
Current: $13,000 AUD|Low: $5,549 AUD|High: $13,386 AUD|Avg: $7,954 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 2$5,551 AUD
Retailer 4$5,795 AUD
Retailer 18$5,968 AUD
Retailer 3$6,104 AUD
Retailer 20$6,245 AUD
Retailer 19$6,462 AUD
Retailer 17$7,001 AUD
Retailer 9$7,043 AUD
Retailer 10$7,043 AUD
Retailer 5$7,370 AUD
Retailer 14$7,487 AUD
Retailer 16$7,540 AUD
Retailer 6$7,844 AUD
Retailer 11$7,887 AUD
Retailer 8$8,078 AUD
Retailer 12$8,157 AUD
Retailer 7$8,746 AUD
Retailer 13$8,991 AUD
Retailer 15$12,309 AUD
NZ Jewellers$13,000 AUD

25 data points across 20 retailers

20 retailers$5,551 AUD to $13,000 AUD

A
Cheapest Retailer
-
$5,551 AUD
$3,899 USD
A
Retailer 2
-
$5,795 AUD
HK$31,800 HKD
View
A
Retailer 3
-
$5,968 AUD
$4,192 USD
View
A
Retailer 4
-
$6,104 AUD
$4,288 USD
View
A
Retailer 5
-
$6,245 AUD
$4,387 USD
View
A
Retailer 6
-
$6,462 AUD
$4,539 USD
View
Final sale: no returns
A
Retailer 7
-
$7,001 AUD
$4,918 USD
View
A
Retailer 8
-
$7,043 AUD
$4,947 USD
View
A
Retailer 9
-
$7,043 AUD
$4,947 USD
View
A
Retailer 10
-
$7,370 AUD
$5,177 USD
View
A
Retailer 11
-
$7,487 AUD
£4,141 GBP
View
A
Retailer 12
-
$7,540 AUD
£4,170 GBP
View
A
Retailer 13
-
$7,844 AUD
$5,510 USD
View
A
Retailer 14
-
$7,887 AUD
$5,540 USD
View
A
Retailer 15
-
$8,078 AUD
$5,674 USD
View
A
Retailer 16
-
$8,157 AUD
$5,730 USD
View
A
Retailer 17
-
$8,746 AUD
€5,851 EUR
View
B+
Retailer 18
-
$8,991 AUD
$6,316 USD
View
B
Retailer 19
-
$12,309 AUD
£6,808 GBP
View
Most Expensive
B
NZ Jewellers
8613633b-fa02-4518-b7b2-e75795b72a18 · Oct 30
$13,000 AUD
$9,132 USD
View
19 more retailers have this diamond
Prices start from $5,551 AUDSave up to $7,450 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
$5,551 AUD