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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG674555189

Shape and cutting style on the report: Round brilliant

Certificate IGI LG674555189

Diamond specifications and retailer prices

From $440 USD
As of October 29, 2026
Save $1,465 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,905 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.5ct lab-grown round diamond

This 3.5ct 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 LG674555189 or 674555189. Listed at 11 retailers as of October 26, 2026, with prices from $440 to $1,905, a $1,465 spread on the same certified stone. MOH London lists it at $1,905. 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

3.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674555189
Dimensions9.68 × 9.64 × 6.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm9.64 mm3.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674555189
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 29
Current: $1,905 USD|Low: $440 USD|High: $1,913 USD|Avg: $1,052 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$440 USD
Retailer 3$654 USD
Retailer 4$655 USD
Retailer 7$655 USD
Retailer 2$794 USD
Retailer 9$810 USD
Retailer 6$1,075 USD
Retailer 5$1,365 USD
Retailer 11$1,602 USD
Retailer 8$1,808 USD
MOH London$1,905 USD

12 data points across 11 retailers

11 retailers$440 USD to $1,905 USD

A
Cheapest Retailer
-
$440 USD
Final sale: no returns
A
Retailer 2
-
$654 USD
£515 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
$655 USD
View
B+
Retailer 4
-
$655 USD
View
A
Retailer 5
-
$794 USD
£625 GBP
View
A
Retailer 6
-
$810 USD
View
A
Retailer 7
-
$1,075 USD
View
B+
Retailer 8
-
$1,365 USD
View
B+
Retailer 9
-
$1,602 USD
View
B+
Retailer 10
-
$1,808 USD
View
Most Expensive
B
MOH London
LG674555189 · Oct 26
$1,905 USD
£1,500 GBP
View
10 more retailers have this diamond
Prices start from $440 USDSave up to $1,465 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
3.50ct Round
$440 USD