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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG653449874

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653449874

Diamond specifications and retailer prices

From $504 USD
As of October 29, 2026
Save $3,976 USD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,480 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG653449874 or 653449874. Listed at 10 retailers as of October 29, 2026, with prices from $504 to $4,480, a $3,976 spread on the same certified stone. Do Amore Diamonds lists it at $4,480. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653449874
Dimensions9.73 × 9.67 × 5.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm9.67 mm3.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653449874
Side View
Table 60.0%Crown 32.6°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.5%

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: $4,480 USD|Low: $494 USD|High: $4,520 USD|Avg: $1,631 USD|-0.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 9$504 USD
Retailer 7$564 USD
Retailer 13$570 USD
Retailer 11$971 USD
Retailer 6$975 USD
Retailer 3$1,024 USD
Retailer 4$1,106 USD
Retailer 5$1,140 USD
Retailer 8$1,613 USD
Retailer 10$1,814 USD
Retailer 12$2,470 USD
Retailer 2$3,011 USD
Do Amore Diamonds$4,480 USD

22 data points across 13 retailers

10 retailers$504 USD to $4,480 USD

A
Cheapest Retailer
-
$504 USD
A
Retailer 2
-
$564 USD
View
A
Retailer 3
-
$570 USD
View
Final sale: no returns
B+
Retailer 4
-
$971 USD
View
A
Retailer 5
-
$975 USD
View
B+
Retailer 6
-
$1,613 USD
View
B+
Retailer 7
-
$1,814 USD
View
B
Retailer 8
-
$2,470 USD
View
B
Retailer 9
-
$3,011 USD
£2,371 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5F0F93512 · Oct 29
$4,480 USD
View
9 more retailers have this diamond
Prices start from $504 USDSave up to $3,976 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
$504 USD