Round|Lab Grown|IGI

3.90ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG830686655

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830686655

Diamond specifications and retailer prices

From ₹39,024 INR
$411 USD
As of October 26, 2026
Save ₹1,50,417 INR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹1,92,731 INR at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 3.9ct lab-grown round diamond

This 3.9ct 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 LG830686655 or 830686655. Listed at 10 retailers as of October 25, 2026, with a 385% 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

3.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830686655
Dimensions10.06 × 10.16 × 6.13 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
10.06 mm10.16 mm3.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830686655
Side View
Table 58.0%Crown 32.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

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 26
Current: ₹1,92,731 INR|Low: ₹38,455 INR|High: ₹2,01,514 INR|Avg: ₹1,08,821 INR|-0.8%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8₹39,024 INR
Retailer 6₹43,772 INR
Retailer 4₹62,192 INR
Retailer 3₹65,050 INR
Retailer 2₹77,365 INR
Retailer 10₹87,544 INR
Retailer 7₹1,35,779 INR
Retailer 9₹1,55,623 INR
Retailer 5₹1,89,441 INR
Michael Trio₹1,92,731 INR

32 data points across 10 retailers

10 retailers₹39,024 INR to ₹1,89,441 INR

A
Cheapest Retailer
-
₹39,024 INR
$411 USD
A
Retailer 2
-
₹43,772 INR
$461 USD
View
A
Retailer 3
-
₹62,192 INR
$655 USD
View
A
Retailer 4
-
₹65,050 INR
£539 GBP
View
A
Retailer 5
-
₹77,365 INR
€776 EUR
View
A
Retailer 6
-
₹87,544 INR
$922 USD
View
B+
Retailer 7
-
₹1,35,779 INR
$1,430 USD
View
B+
Retailer 8
-
₹1,55,623 INR
$1,639 USD
View
B+
Retailer 9
-
₹1,89,441 INR
£1,571 GBP
View
Most Expensive
Michael Trio
1835554667 · Oct 13
₹1,92,731 INR
SGD 2,743 SGD
View
Price last confirmed 18 days ago
9 more retailers have this diamond
Prices start from ₹39,024 INRSave up to ₹1,50,417 INR

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
3.90ct Round
₹39,024 INR