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Round|Lab Grown|IGI

3.07ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG490174539

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490174539

Diamond specifications and retailer prices

From $2,457 AUD
As of November 5, 2026
Save $15,817 AUD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,274 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 3.07ct lab-grown round diamond

This 3.07ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490174539 or 490174539. Listed at 11 retailers as of November 5, 2026, with prices from $2,457 to $18,274, a $15,817 spread on the same certified stone. MOH London lists it at $18,274. 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

3.07
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490174539
Dimensions9.30 × 9.24 × 5.73 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
9.30 mm9.24 mm3.07 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490174539
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.8%

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: Nov 5
Current: $18,274 AUD|Low: $2,457 AUD|High: $18,570 AUD|Avg: $10,464 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$2,457 AUD
Retailer 4$7,762 AUD
Retailer 6$8,694 AUD
Retailer 7$9,021 AUD
Retailer 8$9,630 AUD
Retailer 3$11,089 AUD
Retailer 5$13,906 AUD
MOH London$18,274 AUD

17 data points across 8 retailers

11 retailers$2,457 AUD to $18,274 AUD

A
Cheapest Retailer
-
$2,457 AUD
B+
Retailer 2
-
$7,762 AUD
View
B+
Retailer 3
-
$8,135 AUD
View
B+
Retailer 4
-
$8,694 AUD
View
Final sale: no returns
B+
Retailer 5
-
$9,005 AUD
View
Retailer 6
-
$9,005 AUD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$9,021 AUD
View
B
Retailer 8
-
$10,689 AUD
View
B
Retailer 9
-
$11,089 AUD
View
B
Retailer 10
-
$13,906 AUD
View
Most Expensive
B
MOH London
LG490174539 · Nov 5
$18,274 AUD
£10,073 GBP
View
10 more retailers have this diamond
Prices start from $2,457 AUDSave up to $15,817 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
3.07ct Round
$2,457 AUD