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1.25ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 389983581

Shape and cutting style on the report: Round brilliant

Certificate IGI 389983581

Diamond specifications and retailer prices

From $1,528 AUD
As of November 4, 2026
Save $888 AUD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,416 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.25ct natural round diamond

This 1.25ct natural round 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 and certified by IGI 389983581. Listed at 3 retailers as of November 4, 2026, with prices from $1,528 to $2,416, a $888 spread on the same certified stone. Yorxs lists it at $2,416. 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

1.25
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 389983581
Dimensions6.82 × 6.76 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeMedium
Top View
6.82 mm6.76 mm1.25 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 389983581
Side View
Table 58.5%Crown 36.4°Girdle: THN-STKPavilion 40.6°Culet: MediumDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,528 AUD|Low: $1,528 AUD|High: $2,680 AUD|Avg: $2,023 AUD|-9.3%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 5, 2026
Retailer 1$1,528 AUD
Retailer 2$1,860 AUD
Retailer 3$2,036 AUD
Yorxs$2,416 AUD

24 data points across 4 retailers

3 retailers$1,528 AUD to $2,416 AUD

A
Cheapest Retailer
-
$1,528 AUD
B+
Retailer 2
-
$1,860 AUD
View
Most Expensive
B+
Yorxs
2122 · Nov 5
$2,416 AUD
€1,611 EUR
View
2 more retailers have this diamond
Prices start from $1,528 AUDSave up to $888 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
1.25ct Round
$1,528 AUD