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Round|Lab Grown|IGI

3.43ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG614327445

Shape and cutting style on the report: Round brilliant

Certificate IGI LG614327445

Diamond specifications and retailer prices

From $381 USD
As of October 26, 2026
Save $3,539 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,920 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.43ct lab-grown round diamond

This 3.43ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614327445 or 614327445. Listed at 15 retailers as of October 26, 2026, with prices from $381 to $3,920, a $3,539 spread on the same certified stone. Brilliant Earth lists it at $3,920. 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

3.43
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614327445
Dimensions9.67 × 9.72 × 5.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.67 mm9.72 mm3.43 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614327445
Side View
Table 60.0%Crown 32.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.8%

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 26
Current: $3,920 USD|Low: $427 USD|High: $4,080 USD|Avg: $1,253 USD|-3.9%
Brilliant Earth
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 5$427 USD
Retailer 12$442 USD
Retailer 11$640 USD
Retailer 10$718 USD
Retailer 8$796 USD
Retailer 6$852 USD
Retailer 4$935 USD
Retailer 3$1,173 USD
Retailer 9$1,263 USD
Retailer 2$1,273 USD
Retailer 13$1,861 USD
Retailer 7$1,919 USD
Brilliant Earth$3,920 USD

40 data points across 13 retailers

15 retailers$381 USD to $3,920 USD

A
Cheapest Retailer
-
$381 USD
A
Retailer 2
-
$427 USD
View
A
Retailer 3
-
$442 USD
View
Final sale: no returns
A
Retailer 4
-
$473 USD
View
A
Retailer 5
-
$640 USD
HK$5,000 HKD
View
B+
Retailer 6
-
$718 USD
View
A
Retailer 7
-
$796 USD
€758 EUR
View
A
Retailer 8
-
$852 USD
£671 GBP
View
A
Retailer 9
-
$935 USD
View
B+
Retailer 10
-
$1,173 USD
View
B+
Retailer 11
-
$1,263 USD
View
B+
Retailer 12
-
$1,273 USD
A$1,958 AUD
View
B
Retailer 13
-
$1,861 USD
SGD 2,515 SGD
View
B+
Retailer 14
-
$1,919 USD
£1,511 GBP
View
Most Expensive
B
Brilliant Earth
12177140A · Oct 29
$3,920 USD
View
14 more retailers have this diamond
Prices start from $381 USDSave up to $3,539 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
3.43ct Round
$381 USD