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Cushion|Lab Grown|IGI

11.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG804608103

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

Certificate IGI LG804608103

Diamond specifications and retailer prices

From $3,210 USD
As of November 2, 2026
Save $7,036 USD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,246 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 11.51ct lab-grown cushion diamond

This 11.51ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804608103 or 804608103. Listed at 10 retailers as of November 2, 2026, with prices from $3,210 to $10,246, a $7,036 spread on the same certified stone. With Clarity lists it at $10,246. 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

11.51
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804608103
Dimensions13.49 × 13.13 × 8.45 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.49 mm13.13 mm11.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804608103
Side View
Table 62.0%Crown 35.3°Girdle: STK-VTKPavilion 38.3°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,739 USD|Low: $3,210 USD|High: $18,104 USD|Avg: $7,927 USD|-40.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 2, 2026
Retailer 8$3,210 USD
Retailer 7$3,226 USD
Retailer 1$3,739 USD
Retailer 5$4,271 USD
Retailer 3$4,343 USD
Retailer 4$6,215 USD
Retailer 6$8,642 USD
Retailer 2$8,773 USD
Retailer 9$9,560 USD
With Clarity$10,246 USD

41 data points across 10 retailers

10 retailers$3,210 USD to $10,246 USD

A
Cheapest Retailer
-
$3,210 USD
A
Retailer 2
-
$3,226 USD
HK$25,200 HKD
View
A
Retailer 3
-
$3,739 USD
£2,944 GBP
View
A
Retailer 4
-
$4,271 USD
View
A
Retailer 5
-
$4,343 USD
€4,136 EUR
View
Retailer 6
-
$6,215 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$8,642 USD
View
B
Retailer 8
-
$8,773 USD
A$13,497 AUD
View
B
Retailer 9
-
$9,560 USD
View
Most Expensive
B
With Clarity
804608103 · Nov 2
$10,246 USD
View
9 more retailers have this diamond
Prices start from $3,210 USDSave up to $7,036 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
11.51ct Cushion
$3,210 USD