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Cushion|Lab Grown|IGI

3.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG795651165

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

Certificate IGI LG795651165

Diamond specifications and retailer prices

From $665 USD
As of November 3, 2026
Save $2,965 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,630 USD at Brilliant Earth · As of November 2, 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 LG795651165 or 795651165. Listed at 17 retailers as of November 2, 2026, with prices from $665 to $3,630, a $2,965 spread on the same certified stone. Brilliant Earth lists it at $3,630. 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 angle36.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795651165
Dimensions8.54 × 8.10 × 5.53 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.54 mm8.10 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795651165
Side View
Table 67.0%Crown 36.7°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 68.3%

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 3
Current: $3,630 USD|Low: $452 USD|High: $3,830 USD|Avg: $1,775 USD|-5.2%
Brilliant Earth
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 14$665 USD
Retailer 12$705 USD
Retailer 8$741 USD
Retailer 6$935 USD
Retailer 17$958 USD
Retailer 10$1,028 USD
Retailer 13$1,305 USD
Retailer 11$1,341 USD
Retailer 5$1,370 USD
Retailer 16$1,727 USD
Retailer 4$2,103 USD
Retailer 7$2,129 USD
Retailer 9$2,435 USD
Retailer 2$2,492 USD
Retailer 15$2,582 USD
Retailer 3$3,460 USD
Brilliant Earth$3,630 USD

36 data points across 17 retailers

17 retailers$665 USD to $3,630 USD

A
Cheapest Retailer
-
$665 USD
A
Retailer 2
-
$705 USD
£555 GBP
View
B+
Retailer 3
-
$741 USD
View
A
Retailer 4
-
$935 USD
View
A
Retailer 5
-
$958 USD
View
A
Retailer 6
-
$1,028 USD
£809 GBP
View
A
Retailer 7
-
$1,305 USD
A$2,007 AUD
View
A
Retailer 8
-
$1,341 USD
ZAR 21,664 ZAR
View
A
Retailer 9
-
$1,370 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$1,727 USD
CA$2,398 CAD
View
B+
Retailer 11
-
$2,103 USD
View
B+
Retailer 12
-
$2,129 USD
View
B+
Retailer 13
-
$2,435 USD
View
B
Retailer 14
-
$2,492 USD
View
Retailer 15
-
$2,582 USD
£2,033 GBP
View
Price last confirmed 8 days ago
B
Retailer 16
-
$3,460 USD
View
Most Expensive
B
Brilliant Earth
19669139Y · Nov 2
$3,630 USD
View
16 more retailers have this diamond
Prices start from $665 USDSave up to $2,965 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
$665 USD