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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 €157 EUR
$175 USD
As of October 30, 2026
Save €787 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €944 EUR at Reve Diamonds · As of October 30, 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 October 30, 2026, with prices from €157 to €944, a €787 spread on the same certified stone. Reve Diamonds lists it at €944. 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: Oct 30
Current: €302 EUR|Low: €157 EUR|High: €944 EUR|Avg: €468 EUR|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 31, 2026
Retailer 10€157 EUR
Retailer 9€174 EUR
Retailer 4€208 EUR
Retailer 7€298 EUR
Retailer 1€302 EUR
Retailer 11€316 EUR
Retailer 6€330 EUR
Retailer 2€394 EUR
Retailer 8€423 EUR
Retailer 5€816 EUR
Retailer 3€900 EUR
Reve Diamonds€944 EUR

41 data points across 12 retailers

14 retailers€157 EUR to €944 EUR

A
Cheapest Retailer
-
€157 EUR
$175 USD
Final sale: no returns
A
Retailer 2
-
€174 EUR
$194 USD
View
A
Retailer 3
-
€208 EUR
£183 GBP
View
A
Retailer 4
-
€298 EUR
ZAR 5,379 ZAR
View
A
Retailer 5
-
€302 EUR
£265 GBP
View
A
Retailer 6
-
€316 EUR
$353 USD
View
A
Retailer 7
-
€320 EUR
$358 USD
View
A
Retailer 8
-
€330 EUR
£290 GBP
View
A
Retailer 9
-
€394 EUR
$440 USD
View
A
Retailer 10
-
€423 EUR
A$727 AUD
View
B+
Retailer 11
-
€607 EUR
$679 USD
View
B
Retailer 12
-
€816 EUR
£718 GBP
View
B
Retailer 13
-
€900 EUR
£792 GBP
View
Most Expensive
B
Reve Diamonds
68981B167 · Oct 30
€944 EUR
$1,054 USD
View
13 more retailers have this diamond
Prices start from €157 EURSave up to €787 EUR

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
€157 EUR