Cushion|Lab Grown|IGI

1.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG831608891

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831608891

Diamond specifications and retailer prices

From €195 EUR
HK$1,700 HKD
As of November 1, 2026
Save €635 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €953 EUR at Reve Diamonds · As of October 25, 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 LG831608891 or 831608891. Listed at 16 retailers as of October 26, 2026, with a 326% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831608891
Dimensions6.84 × 5.00 × 3.50 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm5.00 mm1.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831608891
Side View
Table 64.0%Crown 37.6°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 70.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €296 EUR|Low: €159 EUR|High: €958 EUR|Avg: €432 EUR|+0.6%
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
Reve Diamonds
October 31, 2026
Retailer 6€159 EUR
Retailer 12€195 EUR
Retailer 3€213 EUR
Retailer 1€296 EUR
Retailer 2€300 EUR
Retailer 14€310 EUR
Retailer 4€321 EUR
Retailer 5€321 EUR
Retailer 16€381 EUR
Retailer 9€456 EUR
Retailer 8€474 EUR
Retailer 13€482 EUR
Retailer 10€537 EUR
Retailer 11€568 EUR
Retailer 7€619 EUR
Retailer 15€830 EUR
Reve Diamonds€953 EUR

43 data points across 17 retailers

16 retailers€195 EUR to €830 EUR

A
Cheapest Retailer
-
€195 EUR
HK$1,700 HKD
Retailer 2
-
€213 EUR
£188 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
€296 EUR
View
Retailer 4
-
€300 EUR
ZAR 5,408 ZAR
View
Price last confirmed 10 days ago
A
Retailer 5
-
€310 EUR
£273 GBP
View
Retailer 6
-
€321 EUR
$359 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€321 EUR
$359 USD
View
Retailer 8
-
€381 EUR
£335 GBP
View
Price last confirmed 7 days ago
B+
Retailer 9
-
€456 EUR
$509 USD
View
Retailer 10
-
€474 EUR
$530 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
€482 EUR
SGD 727 SGD
View
B+
Retailer 12
-
€537 EUR
$600 USD
View
B
Retailer 13
-
€568 EUR
$635 USD
View
B+
Retailer 14
-
€619 EUR
$692 USD
View
B
Retailer 15
-
€830 EUR
£730 GBP
View
Most Expensive
Reve Diamonds
2BBB31FC1 · Oct 25
€953 EUR
$1,065 USD
View
Price last confirmed 8 days ago
15 more retailers have this diamond
Prices start from €195 EURSave up to €635 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
€195 EUR