CaratHunter
Plans
Asscher|Lab Grown|IGI

3.09ct F SI1 Asscher Lab Grown Diamond

EX • F/SI1 • IGI LG849651174

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG849651174

Diamond specifications and retailer prices

From $593 USD
£467 GBP
As of November 2, 2026
Save $2,018 USD (77%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,610 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.09ct lab-grown asscher diamond

This 3.09ct lab-grown asscher sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849651174 or 849651174. Listed at 2 retailers as of October 31, 2026, with prices from $593 to $2,610, a $2,018 spread on the same certified stone. Brilliant Earth lists it at $2,610. 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

3.09
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849651174
Dimensions7.98 × 7.83 × 5.39 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm7.83 mm3.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849651174
Side View
Table 63.0%Crown 33.8°Girdle: MediumPavilion 40°Culet: NoneDepth 68.8%

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: Nov 2
Current: $2,610 USD|Low: $589 USD|High: $2,610 USD|Avg: $1,399 USD
Brilliant Earth
Retailer 2
November 2, 2026
Retailer 2$593 USD
Brilliant Earth$2,610 USD

6 data points across 2 retailers

2 retailers$593 USD to $2,610 USD

A
Cheapest Retailer
-
$593 USD
£467 GBP
Most Expensive
B
Brilliant Earth
22330009A · Oct 31
$2,610 USD
View
1 more retailer has this diamond
Prices start from $593 USDSave up to $2,018 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
3.09ct Asscher
$593 USD