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Oval|Natural|GIA

1.31ct L SI1 Oval Natural Diamond

ID • L/SI1 • GIA 5

Certificate GIA 5

Diamond specifications and retailer prices

From $3,045 AUD
As of November 6, 2026
Save $4,874 AUD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,919 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 7 retailers as of November 5, 2026, with prices from $3,045 to $7,919, a $4,874 spread on the same certified stone. NZ Jewellers lists it at $7,919. 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

1.31
Carat
L
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5
Dimensions9.33 × 5.83 × 3.61 mm
L/W Ratio1.60
Top View
9.33 mm5.83 mm1.31 ctL / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $7,919 AUD|Low: $3,045 AUD|High: $7,919 AUD|Avg: $4,126 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 29, 2026
Retailer 3$3,045 AUD
Retailer 7$3,234 AUD
Retailer 4$3,432 AUD
Retailer 5$3,432 AUD
Retailer 2$3,590 AUD
Retailer 6$3,960 AUD
NZ Jewellers$7,919 AUD

2 data points across 7 retailers

7 retailers$3,045 AUD to $7,919 AUD

B+
Cheapest Retailer
-
$3,045 AUD
B+
Retailer 2
-
$3,234 AUD
View
Retailer 3
-
$3,432 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$3,432 AUD
View
B+
Retailer 5
-
$3,590 AUD
View
B
Retailer 6
-
$3,960 AUD
View
Most Expensive
B
NZ Jewellers
8821ad59-669b-4735-8369-c56815edc54b · Nov 5
$7,919 AUD
$5,441 USD
View
6 more retailers have this diamond
Prices start from $3,045 AUDSave up to $4,874 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+
1.31ct Oval
$3,045 AUD