Cushion|Lab Grown|IGI

3.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG844685749

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG844685749

Diamond specifications and retailer prices

From $703 USD
As of November 4, 2026
Save $1,875 USD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,578 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844685749 or 844685749. Listed at 12 retailers as of November 1, 2026, with prices from $703 to $2,578, a $1,875 spread on the same certified stone. MOH London lists it at $2,578. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844685749
Dimensions8.45 × 8.20 × 5.47 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.45 mm8.20 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844685749
Side View
Table 62.0%Crown 38.6°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 66.7%

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: Nov 4
Current: $2,578 USD|Low: $703 USD|High: $2,592 USD|Avg: $1,422 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6$703 USD
Retailer 9$740 USD
Retailer 3$962 USD
Retailer 12$988 USD
Retailer 5$1,018 USD
Retailer 10$1,247 USD
Retailer 2$1,309 USD
Retailer 7$1,341 USD
Retailer 11$2,012 USD
Retailer 4$2,311 USD
Retailer 8$2,485 USD
MOH London$2,578 USD

14 data points across 12 retailers

12 retailers$703 USD to $2,578 USD

A
Cheapest Retailer
-
$703 USD
A
Retailer 2
-
$740 USD
View
A
Retailer 3
-
$962 USD
View
A
Retailer 4
-
$988 USD
View
A
Retailer 5
-
$1,018 USD
View
A
Retailer 6
-
$1,247 USD
View
A
Retailer 7
-
$1,309 USD
View
A
Retailer 8
-
$1,341 USD
View
B+
Retailer 9
-
$2,012 USD
View
B+
Retailer 10
-
$2,311 USD
View
B
Retailer 11
-
$2,485 USD
View
Most Expensive
B+
MOH London
LG844685749 · Nov 1
$2,578 USD
£2,030 GBP
View
11 more retailers have this diamond
Prices start from $703 USDSave up to $1,875 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 Cushion
$703 USD