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3.01ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG499190391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190391

Diamond specifications and retailer prices

From $3,006 NZD
As of November 5, 2026
Save $19,324 NZD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $22,330 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3.01ct lab-grown round diamond

This 3.01ct 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 LG499190391 or 499190391. Listed at 11 retailers as of November 5, 2026, with prices from $3,006 to $22,330, a $19,324 spread on the same certified stone. MOH London lists it at $22,330. 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

3.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190391
Dimensions9.16 × 9.12 × 5.75 mm
L/W Ratio1.00
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
9.16 mm9.12 mm3.01 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190391
Side View
Table 55.0%Crown 36.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

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: $22,330 NZD|Low: $3,006 NZD|High: $22,689 NZD|Avg: $12,790 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$3,006 NZD
Retailer 4$9,485 NZD
Retailer 6$10,624 NZD
Retailer 7$11,029 NZD
Retailer 8$11,775 NZD
Retailer 3$13,550 NZD
Retailer 5$16,997 NZD
MOH London$22,330 NZD

17 data points across 8 retailers

11 retailers$3,006 NZD to $22,330 NZD

A
Cheapest Retailer
-
$3,006 NZD
B+
Retailer 2
-
$9,485 NZD
View
B+
Retailer 3
-
$9,940 NZD
View
B+
Retailer 4
-
$10,624 NZD
View
Final sale: no returns
Retailer 5
-
$11,002 NZD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$11,002 NZD
View
B+
Retailer 7
-
$11,029 NZD
View
B
Retailer 8
-
$13,062 NZD
View
B
Retailer 9
-
$13,550 NZD
View
B
Retailer 10
-
$16,997 NZD
View
Most Expensive
B
MOH London
LG499190391 · Nov 5
$22,330 NZD
£9,884 GBP
View
10 more retailers have this diamond
Prices start from $3,006 NZDSave up to $19,324 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
3.01ct Round
$3,006 NZD