Cushion|Lab Grown|IGI

11.50ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG809607876

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG809607876

Diamond specifications and retailer prices

From $4,288 SGD
$3,353 USD
As of November 2, 2026
Save $14,188 SGD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,476 SGD at With Clarity · As of November 2, 2026
View at With Clarity

About this 11.5ct lab-grown cushion diamond

This 11.5ct 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 LG809607876 or 809607876. Listed at 10 retailers as of November 2, 2026, with prices from $4,288 to $18,476, a $14,188 spread on the same certified stone. With Clarity lists it at $18,476. 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

11.50
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809607876
Dimensions16.86 × 11.37 × 7.63 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.86 mm11.37 mm11.50 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809607876
Side View
Table 67.0%Crown 33.6°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 67.1%

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: $5,863 SGD|Low: $4,116 SGD|High: $18,476 SGD|Avg: $8,186 SGD|-5.1%
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$4,288 SGD
Retailer 7$4,371 SGD
Retailer 2$4,955 SGD
Retailer 5$5,765 SGD
Retailer 1$5,863 SGD
Retailer 4$8,051 SGD
Retailer 6$11,093 SGD
Retailer 3$11,202 SGD
Retailer 9$12,912 SGD
With Clarity$18,476 SGD

40 data points across 10 retailers

10 retailers$4,288 SGD to $18,476 SGD

A
Cheapest Retailer
-
$4,288 SGD
$3,353 USD
A
Retailer 2
-
$4,371 SGD
HK$26,700 HKD
View
A
Retailer 3
-
$4,955 SGD
£3,051 GBP
View
A
Retailer 4
-
$5,765 SGD
$4,508 USD
View
A
Retailer 5
-
$5,863 SGD
€4,366 EUR
View
Retailer 6
-
$8,051 SGD
$6,295 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$11,093 SGD
$8,674 USD
View
B
Retailer 8
-
$11,202 SGD
A$13,475 AUD
View
B
Retailer 9
-
$12,912 SGD
$10,097 USD
View
Most Expensive
B
With Clarity
809607876 · Nov 2
$18,476 SGD
$14,447 USD
View
9 more retailers have this diamond
Prices start from $4,288 SGDSave up to $14,188 SGD

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
11.50ct Cushion
$4,288 SGD