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Round|Lab Grown|GIA

3.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 5486412293

Certificate GIA 5486412293

Diamond specifications and retailer prices

From $2,383 AUD
As of November 5, 2026
Save $1,811 AUD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,211 AUD at MOH London · As of November 5, 2026
View at MOH London

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 5486412293. Listed at 13 retailers as of November 4, 2026, with a 76% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 5486412293
Dimensions9.41 × 9.39 × 5.74 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
9.41 mm9.39 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5486412293
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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 5
Current: $7,211 AUD|Low: $2,207 AUD|High: $7,318 AUD|Avg: $3,327 AUD|+14.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$2,250 AUD
Retailer 10$2,383 AUD
Retailer 7$2,493 AUD
Retailer 8$2,680 AUD
Retailer 3$2,694 AUD
Retailer 4$2,921 AUD
Retailer 2$3,094 AUD
Retailer 5$3,230 AUD
Retailer 11$3,554 AUD
Retailer 9$4,194 AUD
MOH London$7,211 AUD

35 data points across 11 retailers

13 retailers$2,383 AUD to $4,194 AUD

Retailer 1
-
$1,940 AUD
Price last confirmed 27 days ago
Retailer 2
-
$2,111 AUD
View
Price last confirmed 28 days ago
Retailer 3
-
$2,250 AUD
View
Price last confirmed 26 days ago
Retailer 4
-
$2,250 AUD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$2,383 AUD
View
B
Retailer 6
-
$2,493 AUD
View
B
Retailer 7
-
$2,680 AUD
View
B
Retailer 8
-
$2,921 AUD
View
B
Retailer 9
-
$3,094 AUD
View
B
Retailer 10
-
$3,554 AUD
View
B
Retailer 11
-
$4,194 AUD
View
Retailer 12
-
$4,218 AUD
View
Price last confirmed 27 days ago
Most Expensive
MOH London
5486412293 · Nov 5
$7,211 AUD
£3,975 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $2,383 AUDSave up to $1,811 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+
3.09ct Round
$2,383 AUD