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3.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 2496232868

Certificate GIA 2496232868

Diamond specifications and retailer prices

From $1,561 AUD
As of November 4, 2026
Save $5,238 AUD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,800 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2496232868. Listed at 8 retailers as of November 4, 2026, with prices from $1,561 to $6,800, a $5,238 spread on the same certified stone. Brilliant Earth lists it at $6,800. 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2496232868
Dimensions9.36 × 9.31 × 5.74 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.36 mm9.31 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2496232868
Side View
Table 58.0%Crown 35°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 61.5%

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 4
Current: $6,800 AUD|Low: $1,561 AUD|High: $7,541 AUD|Avg: $3,452 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$1,561 AUD
Retailer 7$1,666 AUD
Retailer 5$1,864 AUD
Retailer 2$2,088 AUD
Retailer 8$2,176 AUD
Retailer 3$2,757 AUD
Retailer 4$3,350 AUD
Brilliant Earth$6,800 AUD
Retailer 9$7,541 AUD

10 data points across 9 retailers

8 retailers$1,561 AUD to $6,800 AUD

A
Cheapest Retailer
-
$1,561 AUD
Final sale: no returns
B+
Retailer 2
-
$1,666 AUD
View
B+
Retailer 3
-
$1,864 AUD
View
B+
Retailer 4
-
$2,088 AUD
View
B+
Retailer 5
-
$2,176 AUD
View
B
Retailer 6
-
$2,757 AUD
View
B
Retailer 7
-
$3,350 AUD
View
Most Expensive
B
Brilliant Earth
16357344Y · Nov 5
$6,800 AUD
$4,760 USD
View
7 more retailers have this diamond
Prices start from $1,561 AUDSave up to $5,238 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
3.09ct Round
$1,561 AUD