CaratHunter
Plans
Marquise|Lab Grown|IGI

0.79ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG636493781

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG636493781

Diamond specifications and retailer prices

From $490 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $490 USD at Brilliant Earth
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 Brilliant Earth

About this 0.79ct lab-grown marquise diamond

This 0.79ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG636493781 or 636493781. Listed at a single retailer as of October 28, 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

0.79
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636493781
Dimensions9.83 × 4.81 × 3.00 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm4.81 mm0.79 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636493781
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

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 28
Current: $490 USD|Low: $188 USD|High: $500 USD|Avg: $351 USD|+2.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
February 18, 2026
Retailer 4$188 USD
Retailer 5$234 USD
Retailer 2$282 USD
Retailer 3$335 USD
Brilliant Earth$490 USD

11 data points across 5 retailers

1 retailer

B
Brilliant Earth
15276632Y · Oct 28
$490 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
0.79ct Marquise
$490 USD