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Cushion|Lab Grown|IGI

1.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG778673843

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778673843

Diamond specifications and retailer prices

From $175 USD
As of November 1, 2026
Save $879 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,054 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778673843 or 778673843. Listed at 14 retailers as of November 1, 2026, with prices from $175 to $1,054, a $879 spread on the same certified stone. Reve Diamonds lists it at $1,054. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778673843
Dimensions7.29 × 5.11 × 3.54 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm5.11 mm1.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778673843
Side View
Table 63.0%Crown 29.8°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 69.3%

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: $232 USD|Low: $175 USD|High: $1,054 USD|Avg: $521 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 2, 2026
Retailer 10$175 USD
Retailer 9$194 USD
Retailer 1$232 USD
Retailer 6$335 USD
Retailer 4$340 USD
Retailer 11$353 USD
Retailer 8$368 USD
Retailer 2$440 USD
Retailer 5$473 USD
Retailer 7$912 USD
Retailer 3$1,006 USD
Reve Diamonds$1,054 USD

43 data points across 12 retailers

14 retailers$175 USD to $1,054 USD

A
Cheapest Retailer
-
$175 USD
Final sale: no returns
Retailer 2
-
$194 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$232 USD
£183 GBP
View
A
Retailer 4
-
$335 USD
ZAR 5,407 ZAR
View
A
Retailer 5
-
$340 USD
£268 GBP
View
A
Retailer 6
-
$353 USD
View
A
Retailer 7
-
$358 USD
View
A
Retailer 8
-
$368 USD
£290 GBP
View
A
Retailer 9
-
$440 USD
View
A
Retailer 10
-
$473 USD
A$728 AUD
View
B+
Retailer 11
-
$679 USD
View
B
Retailer 12
-
$912 USD
£718 GBP
View
B
Retailer 13
-
$1,006 USD
£792 GBP
View
Most Expensive
B
Reve Diamonds
68981B167 · Nov 1
$1,054 USD
View
13 more retailers have this diamond
Prices start from $175 USDSave up to $879 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
1.09ct Cushion
$175 USD