CaratHunter
Plans
Marquise|Lab Grown|IGI

4.00ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG577394638

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG577394638

Diamond specifications and retailer prices

From $3,085 AUD
$2,167 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $3,085 AUD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise 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 LG577394638 or 577394638. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577394638
Dimensions16.16 × 8.10 mm
L/W Ratio2.00
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
16.16 mm8.10 mm4.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577394638
Side View
Table 61.0%Crown 38.3°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,085 AUD|Low: $2,950 AUD|High: $3,820 AUD|Avg: $3,285 AUD|-19.2%
September 23, 2026
B2C Jewels$3,085 AUD

3 data points across 1 retailer

1 retailer

B
B2C Jewels
21462338 · Oct 30
$3,085 AUD
$2,167 USD
View

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.

B
4.00ct Marquise
$3,085 AUD