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Round|Lab Grown|IGI

4.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG673407355

Shape and cutting style on the report: Round brilliant

Certificate IGI LG673407355

Diamond specifications and retailer prices

From $700 USD
As of October 31, 2026
Save $3,130 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,830 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4ct lab-grown round diamond

This 4ct 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 LG673407355 or 673407355. Listed at 13 retailers as of October 29, 2026, with prices from $700 to $3,830, a $3,130 spread on the same certified stone. Brilliant Earth lists it at $3,830. 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

4.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673407355
Dimensions10.18 × 10.11 × 6.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm10.11 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673407355
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

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 31
Current: $3,830 USD|Low: $558 USD|High: $4,310 USD|Avg: $1,455 USD|-11.1%
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 31, 2026
Retailer 13$558 USD
Retailer 2$700 USD
Retailer 12$717 USD
Retailer 3$875 USD
Retailer 9$905 USD
Retailer 7$920 USD
Retailer 4$970 USD
Retailer 5$1,213 USD
Retailer 10$1,499 USD
Retailer 6$1,793 USD
Retailer 8$2,060 USD
Retailer 11$2,270 USD
Brilliant Earth$3,830 USD

36 data points across 13 retailers

13 retailers$700 USD to $3,830 USD

Retailer 1
-
$558 USD
Price last confirmed 18 days ago
B+
Retailer 2
-
$700 USD
View
Retailer 3
-
$717 USD
£565 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$875 USD
View
A
Retailer 5
-
$905 USD
€862 EUR
View
A
Retailer 6
-
$920 USD
£724 GBP
View
A
Retailer 7
-
$970 USD
View
B+
Retailer 8
-
$1,213 USD
View
B+
Retailer 9
-
$1,499 USD
View
Retailer 10
-
$1,793 USD
View
B
Retailer 11
-
$2,060 USD
£1,622 GBP
View
Retailer 12
-
$2,270 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
12844998A · Oct 29
$3,830 USD
View
12 more retailers have this diamond
Prices start from $700 USDSave up to $3,130 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
4.00ct Round
$700 USD