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0.81ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2506896300

Shape and cutting style on the report: Round brilliant

Certificate GIA 2506896300

Diamond specifications and retailer prices

From $1,413 AUD
As of November 6, 2026
Save $349 AUD (20%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,800 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2506896300. Listed at 9 retailers as of November 5, 2026, with a relatively tight 25% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.81
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2506896300
Dimensions5.88 × 5.93 × 3.71 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.88 mm5.93 mm0.81 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506896300
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: $1,413 AUD|Low: $1,370 AUD|High: $1,796 AUD|Avg: $1,601 AUD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1$1,413 AUD
Retailer 4$1,429 AUD
Retailer 2$1,671 AUD
Retailer 3$1,761 AUD

43 data points across 4 retailers

9 retailers$1,413 AUD to $1,761 AUD

Retailer 1
-
$1,211 AUD
Price last confirmed 29 days ago
Retailer 2
-
$1,211 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
$1,259 AUD
View
Price last confirmed 38 days ago
Retailer 4
-
$1,399 AUD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$1,413 AUD
View
B+
Retailer 6
-
$1,429 AUD
View
B+
Retailer 7
-
$1,671 AUD
View
B
Retailer 8
-
$1,761 AUD
View
Most Expensive
NZ Jewellers
34b8db6f-4ed4-42f4-9a70-13aee8966720 · Sep 28
$3,800 AUD
$2,660 USD
View
Price last confirmed 39 days ago
8 more retailers have this diamond
Prices start from $1,413 AUDSave up to $349 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+
0.81ct Round
$1,413 AUD