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Round|Lab Grown|IGI

3.09ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG508140128

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508140128

Diamond specifications and retailer prices

From $840 AUD
$590 USD
As of October 29, 2026
Save $3,704 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,543 AUD at MOH London · As of October 29, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508140128 or 508140128. Listed at 16 retailers as of October 29, 2026, with prices from $840 to $4,543, a $3,704 spread on the same certified stone. MOH London lists it at $4,543. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508140128
Dimensions9.39 × 9.33 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.39 mm9.33 mm3.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508140128
Side View
Table 59.5%Crown 34°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,543 AUD|Low: $669 AUD|High: $4,572 AUD|Avg: $2,180 AUD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 9$840 AUD
Retailer 12$938 AUD
Retailer 4$1,130 AUD
Retailer 6$1,224 AUD
Retailer 11$1,431 AUD
Retailer 8$1,600 AUD
Retailer 13$1,707 AUD
Retailer 5$2,151 AUD
Retailer 2$2,260 AUD
Retailer 7$2,582 AUD
Retailer 3$3,368 AUD
Retailer 10$3,858 AUD
MOH London$4,543 AUD

26 data points across 13 retailers

16 retailers$840 AUD to $4,543 AUD

A
Cheapest Retailer
-
$840 AUD
$590 USD
A
Retailer 2
-
$938 AUD
$659 USD
View
Final sale: no returns
A
Retailer 3
-
$940 AUD
$660 USD
View
A
Retailer 4
-
$1,041 AUD
$731 USD
View
Retailer 5
-
$1,041 AUD
$731 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,130 AUD
HK$6,200 HKD
View
A
Retailer 7
-
$1,224 AUD
$860 USD
View
A
Retailer 8
-
$1,431 AUD
$1,005 USD
View
B+
Retailer 9
-
$1,600 AUD
$1,124 USD
View
B+
Retailer 10
-
$1,707 AUD
$1,199 USD
View
B+
Retailer 11
-
$2,260 AUD
ZAR 25,651 ZAR
View
B
Retailer 12
-
$2,582 AUD
$1,814 USD
View
B
Retailer 13
-
$2,738 AUD
$1,923 USD
View
B
Retailer 14
-
$3,368 AUD
$2,366 USD
View
B
Retailer 15
-
$3,858 AUD
$2,710 USD
View
Most Expensive
B
MOH London
LG508140128 · Oct 29
$4,543 AUD
£2,513 GBP
View
15 more retailers have this diamond
Prices start from $840 AUDSave up to $3,704 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
$840 AUD