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3.00ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG476158065

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476158065

Diamond specifications and retailer prices

From $2,989 NZD
As of November 5, 2026
Save $22,832 NZD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $25,820 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476158065 or 476158065. Listed at 11 retailers as of November 5, 2026, with prices from $2,989 to $25,820, a $22,832 spread on the same certified stone. MOH London lists it at $25,820. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476158065
Dimensions9.41 × 9.37 × 5.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeVery Small
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
9.41 mm9.37 mm3.00 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476158065
Side View
Table 63.0%Crown 33.8°Girdle: MED-STKPavilion 40.2°Culet: Very SmallDepth 58.3%

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: $25,820 NZD|Low: $2,989 NZD|High: $26,238 NZD|Avg: $14,186 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
Retailer 12
Retailer 13
November 5, 2026
Retailer 2$2,989 NZD
Retailer 7$10,969 NZD
Retailer 10$11,495 NZD
Retailer 12$12,283 NZD
Retailer 3$12,701 NZD
Retailer 8$12,724 NZD
Retailer 13$12,724 NZD
Retailer 4$13,518 NZD
Retailer 11$15,105 NZD
Retailer 6$15,130 NZD
Retailer 5$16,393 NZD
Retailer 9$19,634 NZD
MOH London$25,820 NZD

18 data points across 13 retailers

11 retailers$2,989 NZD to $25,820 NZD

B+
Cheapest Retailer
-
$2,989 NZD
B
Retailer 2
-
$10,969 NZD
View
B
Retailer 3
-
$11,495 NZD
View
B
Retailer 4
-
$12,283 NZD
View
Final sale: no returns
B
Retailer 5
-
$12,701 NZD
View
Retailer 6
-
$12,724 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$12,724 NZD
View
B
Retailer 8
-
$15,105 NZD
View
B
Retailer 9
-
$15,130 NZD
View
B
Retailer 10
-
$19,634 NZD
View
Most Expensive
B
MOH London
LG476158065 · Nov 5
$25,820 NZD
£11,429 GBP
View
10 more retailers have this diamond
Prices start from $2,989 NZDSave up to $22,832 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
$2,989 NZD