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Oval|Natural|GIA

1.31ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 1569532400

Certificate GIA 1569532400

Diamond specifications and retailer prices

From $1,828 AUD
As of November 6, 2026
Save $559 AUD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,387 AUD at B2C Jewels · As of November 6, 2026
View at B2C Jewels

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 K 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 1569532400. Listed at 2 retailers as of November 6, 2026, with prices from $1,828 to $2,387, a $559 spread on the same certified stone. B2C Jewels lists it at $2,387. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1569532400
Dimensions8.41 × 6.00 × 3.83 mm
L/W Ratio1.40
Top View
8.41 mm6.00 mm1.31 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569532400
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,387 AUD|Low: $1,828 AUD|High: $2,387 AUD|Avg: $2,109 AUD
B2C Jewels
Retailer 2
November 6, 2026
Retailer 2$1,828 AUD
B2C Jewels$2,387 AUD

21 data points across 2 retailers

2 retailers$1,828 AUD to $2,387 AUD

A
Cheapest Retailer
-
$1,828 AUD
Most Expensive
B+
B2C Jewels
37124341 · Nov 6
$2,387 AUD
$1,640 USD
View
1 more retailer has this diamond
Prices start from $1,828 AUDSave up to $559 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
1.31ct Oval
$1,828 AUD