Cushion|Lab Grown|IGI

3.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG841649203

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

Certificate IGI LG841649203

Diamond specifications and retailer prices

From $515 USD
As of November 1, 2026
Save $2,695 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,630 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG841649203 or 841649203. Listed at 20 retailers as of November 1, 2026, with a 523% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841649203
Dimensions8.46 × 8.37 × 5.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.37 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841649203
Side View
Table 62.0%Crown 32.9°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 64.5%

Caratlytics Score

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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 1
Current: $1,966 USD|Low: $515 USD|High: $2,074 USD|Avg: $1,243 USD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 17$515 USD
Retailer 12$599 USD
Retailer 15$655 USD
Retailer 6$828 USD
Retailer 5$829 USD
Retailer 13$866 USD
Retailer 14$873 USD
Retailer 2$1,106 USD
Retailer 11$1,145 USD
Retailer 7$1,222 USD
Retailer 10$1,348 USD
Retailer 8$1,722 USD
Retailer 9$1,788 USD
Retailer 3$1,908 USD
Retailer 4$1,933 USD
Retailer 1$1,966 USD
Retailer 16$2,074 USD

14 data points across 17 retailers

20 retailers$515 USD to $3,210 USD

A
Cheapest Retailer
-
$515 USD
Final sale: no returns
A
Retailer 2
-
$599 USD
£472 GBP
View
A
Retailer 3
-
$655 USD
View
B+
Retailer 4
-
$828 USD
View
A
Retailer 5
-
$829 USD
View
A
Retailer 6
-
$866 USD
£682 GBP
View
A
Retailer 7
-
$873 USD
€831 EUR
View
A
Retailer 8
-
$1,106 USD
A$1,701 AUD
View
A
Retailer 9
-
$1,145 USD
ZAR 18,491 ZAR
View
A
Retailer 10
-
$1,222 USD
View
A
Retailer 11
-
$1,348 USD
View
B+
Retailer 12
-
$1,722 USD
View
B+
Retailer 13
-
$1,788 USD
View
B+
Retailer 14
-
$1,908 USD
View
Retailer 15
-
$1,933 USD
£1,522 GBP
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,966 USD
View
B+
Retailer 17
-
$2,074 USD
A$3,190 AUD
View
B+
Retailer 18
-
$2,460 USD
View
B
Retailer 19
-
$3,210 USD
View
Most Expensive
Brilliant Earth
22269190A · Oct 26
$5,630 USD
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from $515 USDSave up to $2,695 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
$515 USD