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Cushion|Lab Grown|IGI

11.79ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG818631890

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818631890

Diamond specifications and retailer prices

From €6,442 EUR
$7,225 USD
As of November 1, 2026
Save €12,716 EUR (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €19,157 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.79ct lab-grown cushion diamond

This 11.79ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818631890 or 818631890. Listed at 11 retailers as of October 31, 2026, with prices from €6,442 to €19,157, a €12,716 spread on the same certified stone. Taylor and Hart lists it at €19,157. 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

11.79
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle46.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818631890
Dimensions16.91 × 10.88 × 6.80 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.91 mm10.88 mm11.79 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818631890
Side View
Table 63.0%Crown 36.6°Girdle: MED-THKPavilion 46.4°Culet: LargeDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €8,311 EUR|Low: €5,367 EUR|High: €19,157 EUR|Avg: €10,403 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 3, 2026
Retailer 2€6,788 EUR
Retailer 4€7,378 EUR
Retailer 8€7,582 EUR
Retailer 9€8,210 EUR
Retailer 6€8,271 EUR
Retailer 1€8,311 EUR
Retailer 5€10,080 EUR
Retailer 3€10,180 EUR
Retailer 7€16,724 EUR
Taylor and Hart€19,157 EUR

40 data points across 10 retailers

11 retailers€6,442 EUR to €19,157 EUR

B+
Cheapest Retailer
-
€6,442 EUR
$7,225 USD
B+
Retailer 2
-
€6,788 EUR
£5,995 GBP
View
B
Retailer 3
-
€7,378 EUR
$8,275 USD
View
B
Retailer 4
-
€7,582 EUR
£6,696 GBP
View
B
Retailer 5
-
€8,210 EUR
$9,208 USD
View
B
Retailer 6
-
€8,271 EUR
$9,277 USD
View
B
Retailer 7
-
€8,311 EUR
ZAR 150,598 ZAR
View
B
Retailer 8
-
€10,080 EUR
$11,306 USD
View
B
Retailer 9
-
€10,180 EUR
A$17,566 AUD
View
B
Retailer 10
-
€16,724 EUR
SGD 25,348 SGD
View
Most Expensive
B
Taylor and Hart
3Y014ZP · Oct 31
€19,157 EUR
$21,487 USD
View
10 more retailers have this diamond
Prices start from €6,442 EURSave up to €12,716 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.

B+
11.79ct Cushion
€6,442 EUR