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Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 2556985753

Certificate GIA 2556985753

Diamond specifications and retailer prices

From $5,676 AUD
As of November 3, 2026
Save $5,210 AUD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,886 AUD at Jared · As of November 6, 2026
View at Jared

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 2556985753. Listed at 9 retailers as of November 3, 2026, with prices from $5,676 to $10,886, a $5,210 spread on the same certified stone. Jared lists it at $10,886. 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
SymmetryExcellent
FluorescenceNone
Crown angle38.69°
Pavilion angle39.21°
OriginNatural
Grading LabGIA
CertificateGIA 2556985753
Dimensions8.90 × 6.37 × 4.05 mm
L/W Ratio1.40
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.90 mm6.37 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556985753
Side View
Table 61.0%Crown 38.69°Girdle: STK-VTKPavilion 39.21°Culet: NoneDepth 63.6%

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 3
Current: $10,886 AUD|Low: $5,676 AUD|High: $11,629 AUD|Avg: $9,192 AUD|-6.4%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4$5,676 AUD
Retailer 5$5,894 AUD
Retailer 9$7,849 AUD
Retailer 10$8,341 AUD
Retailer 6$8,373 AUD
Retailer 11$8,763 AUD
Retailer 8$9,841 AUD
Retailer 2$10,348 AUD
Retailer 7$10,537 AUD
Jared$10,886 AUD
Retailer 3$11,358 AUD

18 data points across 11 retailers

9 retailers$5,676 AUD to $10,886 AUD

A
Cheapest Retailer
-
$5,676 AUD
A
Retailer 2
-
$5,894 AUD
View
A
Retailer 3
-
$7,849 AUD
View
A
Retailer 4
-
$8,341 AUD
View
Final sale: no returns
A
Retailer 5
-
$8,373 AUD
View
B+
Retailer 6
-
$9,841 AUD
View
B+
Retailer 7
-
$10,348 AUD
View
B+
Retailer 8
-
$10,537 AUD
View
Most Expensive
B+
Jared
159925598 · Nov 6
$10,886 AUD
$7,480 USD
View
8 more retailers have this diamond
Prices start from $5,676 AUDSave up to $5,210 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
$5,676 AUD