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Round|Lab Grown|IGI

3.06ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG450028901

Shape and cutting style on the report: Round brilliant

Certificate IGI LG450028901

Diamond specifications and retailer prices

From $791 USD
As of October 30, 2026
Save $2,123 USD (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,914 USD at B2C Jewels · As of October 26, 2026
View at B2C Jewels

About this 3.06ct lab-grown round diamond

This 3.06ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG450028901 or 450028901. Listed at 6 retailers as of October 26, 2026, with prices from $791 to $2,914, a $2,123 spread on the same certified stone. B2C Jewels lists it at $2,914. 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

3.06
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450028901
Dimensions9.38 × 9.34 × 5.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
Blue Nuance This Laboratory grown diamond was created by high pressure high temperature process (HPHT). Type II
Top View
9.38 mm9.34 mm3.06 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450028901
Side View
Table 57.0%Crown 34.1°GirdlePavilion 41.2°Culet: NoneDepth 61.4%

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: Oct 30
Current: $878 USD|Low: $694 USD|High: $2,914 USD|Avg: $1,316 USD|-69.9%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$791 USD
Retailer 2$817 USD
B2C Jewels$878 USD
Retailer 5$986 USD
Retailer 3$1,958 USD

5 data points across 5 retailers

6 retailers$791 USD to $2,914 USD

B+
Cheapest Retailer
-
$791 USD
A
Retailer 2
-
$817 USD
£643 GBP
View
B+
Retailer 3
-
$878 USD
View
B+
Retailer 4
-
$986 USD
View
B
Retailer 5
-
$1,958 USD
£1,542 GBP
View
Most Expensive
B
B2C Jewels
21587169 · Oct 26
$2,914 USD
View
5 more retailers have this diamond
Prices start from $791 USDSave up to $2,123 USD

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
3.06ct Round
$791 USD