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Round|Lab Grown|IGI

3.05ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG508124003

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508124003

Diamond specifications and retailer prices

From $831 AUD
As of November 5, 2026
Save $3,040 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,501 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3.05ct lab-grown round diamond

This 3.05ct 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 LG508124003 or 508124003. Listed at 16 retailers as of November 5, 2026, with a 366% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.05
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508124003
Dimensions9.29 × 9.35 × 5.74 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
9.29 mm9.35 mm3.05 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508124003
Side View
Table 56.0%Crown 35.1°GirdlePavilion 40.7°Culet: NoneDepth 61.6%

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 5
Current: $4,501 AUD|Low: $831 AUD|High: $4,532 AUD|Avg: $2,198 AUD|+0.5%
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
November 2, 2026
Retailer 9$831 AUD
Retailer 12$930 AUD
Retailer 4$1,114 AUD
Retailer 6$1,221 AUD
Retailer 11$1,423 AUD
Retailer 8$1,587 AUD
Retailer 13$1,674 AUD
Retailer 2$2,238 AUD
Retailer 5$2,326 AUD
Retailer 7$2,560 AUD
Retailer 3$3,338 AUD
Retailer 10$3,871 AUD
MOH London$4,501 AUD

25 data points across 13 retailers

16 retailers$831 AUD to $3,871 AUD

A
Cheapest Retailer
-
$831 AUD
A
Retailer 2
-
$930 AUD
View
Final sale: no returns
A
Retailer 3
-
$931 AUD
View
Retailer 4
-
$1,031 AUD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,031 AUD
View
A
Retailer 6
-
$1,114 AUD
View
A
Retailer 7
-
$1,221 AUD
View
B+
Retailer 8
-
$1,423 AUD
View
B+
Retailer 9
-
$1,587 AUD
View
B+
Retailer 10
-
$1,674 AUD
View
B
Retailer 11
-
$2,238 AUD
View
B
Retailer 12
-
$2,560 AUD
View
B
Retailer 13
-
$2,713 AUD
View
B
Retailer 14
-
$3,338 AUD
View
B
Retailer 15
-
$3,871 AUD
View
Most Expensive
MOH London
LG508124003 · Oct 29
$4,501 AUD
£2,481 GBP
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from $831 AUDSave up to $3,040 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
3.05ct Round
$831 AUD