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Round|Lab Grown|IGI

3.00ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499190405

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190405

Diamond specifications and retailer prices

From $4,945 NZD
As of November 5, 2026
Save $17,312 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $22,258 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190405 or 499190405. Listed at 10 retailers as of November 5, 2026, with prices from $4,945 to $22,258, a $17,312 spread on the same certified stone. MOH London lists it at $22,258. 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

3.00
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190405
Dimensions9.43 × 9.36 × 5.48 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
9.43 mm9.36 mm3.00 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190405
Side View
Table 61.0%Crown 31.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $22,258 NZD|Low: $4,945 NZD|High: $25,223 NZD|Avg: $13,850 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$4,945 NZD
Retailer 3$9,455 NZD
Retailer 7$10,588 NZD
Retailer 5$10,969 NZD
Retailer 8$10,969 NZD
Retailer 9$11,737 NZD
Retailer 2$13,507 NZD
Retailer 6$16,942 NZD
MOH London$22,258 NZD
Retailer 10$25,223 NZD

14 data points across 10 retailers

10 retailers$4,945 NZD to $22,258 NZD

B+
Cheapest Retailer
-
$4,945 NZD
B
Retailer 2
-
$9,455 NZD
View
B
Retailer 3
-
$9,908 NZD
View
B
Retailer 4
-
$10,588 NZD
View
Final sale: no returns
Retailer 5
-
$10,969 NZD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$10,969 NZD
View
B
Retailer 7
-
$13,020 NZD
View
B
Retailer 8
-
$13,507 NZD
View
B
Retailer 9
-
$16,942 NZD
View
Most Expensive
B
MOH London
LG499190405 · Nov 5
$22,258 NZD
£9,852 GBP
View
9 more retailers have this diamond
Prices start from $4,945 NZDSave up to $17,312 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.

B+
3.00ct Round
$4,945 NZD