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3.04ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG488143425

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488143425

Diamond specifications and retailer prices

From $2,882 NZD
As of November 5, 2026
Save $17,858 NZD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,739 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3.04ct lab-grown round diamond

This 3.04ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488143425 or 488143425. Listed at 10 retailers as of November 5, 2026, with prices from $2,882 to $20,739, a $17,858 spread on the same certified stone. MOH London lists it at $20,739. 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

3.04
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488143425
Dimensions9.40 × 9.35 × 5.56 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
9.40 mm9.35 mm3.04 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488143425
Side View
Table 59.0%Crown 31.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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: $20,739 NZD|Low: $2,882 NZD|High: $23,439 NZD|Avg: $12,516 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$2,882 NZD
Retailer 4$8,809 NZD
Retailer 9$9,232 NZD
Retailer 8$9,866 NZD
Retailer 6$10,220 NZD
Retailer 11$11,294 NZD
Retailer 10$12,130 NZD
Retailer 2$12,813 NZD
Retailer 7$15,795 NZD
MOH London$20,739 NZD
Retailer 3$23,439 NZD

18 data points across 11 retailers

10 retailers$2,882 NZD to $20,739 NZD

A
Cheapest Retailer
-
$2,882 NZD
B+
Retailer 2
-
$8,809 NZD
View
B+
Retailer 3
-
$9,232 NZD
View
B+
Retailer 4
-
$9,866 NZD
View
Final sale: no returns
B+
Retailer 5
-
$10,220 NZD
View
Retailer 6
-
$10,220 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$12,130 NZD
View
B
Retailer 8
-
$12,813 NZD
View
B
Retailer 9
-
$15,795 NZD
View
Most Expensive
B
MOH London
LG488143425 · Nov 5
$20,739 NZD
£9,180 GBP
View
9 more retailers have this diamond
Prices start from $2,882 NZDSave up to $17,858 NZD

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
3.04ct Round
$2,882 NZD