Round|Lab Grown|IGI

3.00ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG836607066

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836607066

Diamond specifications and retailer prices

From $363 USD
As of October 29, 2026
Save $1,406 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,803 USD at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG836607066 or 836607066. Listed at 10 retailers as of October 29, 2026, with a 387% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607066
Dimensions9.28 × 9.35 × 5.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.28 mm9.35 mm3.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836607066
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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: Oct 29
Current: $1,803 USD|Low: $346 USD|High: $1,803 USD|Avg: $1,009 USD|+3.7%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$363 USD
Retailer 5$421 USD
Retailer 3$603 USD
Retailer 4$726 USD
Retailer 10$839 USD
Retailer 2$1,320 USD
Retailer 6$1,320 USD
Retailer 8$1,447 USD
Retailer 9$1,769 USD
Michael Trio$1,803 USD

33 data points across 10 retailers

10 retailers$363 USD to $1,769 USD

A
Cheapest Retailer
-
$363 USD
A
Retailer 2
-
$421 USD
View
A
Retailer 3
-
$603 USD
£475 GBP
View
A
Retailer 4
-
$726 USD
€691 EUR
View
A
Retailer 5
-
$839 USD
View
B
Retailer 6
-
$1,320 USD
View
B
Retailer 7
-
$1,320 USD
View
B+
Retailer 8
-
$1,447 USD
View
B
Retailer 9
-
$1,769 USD
£1,393 GBP
View
Most Expensive
Michael Trio
8198021760 · Oct 13
$1,803 USD
SGD 2,436 SGD
View
Price last confirmed 18 days ago
9 more retailers have this diamond
Prices start from $363 USDSave up to $1,406 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
3.00ct Round
$363 USD