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Cushion|Lab Grown|IGI

11.21ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG605326749

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG605326749

Diamond specifications and retailer prices

From $5,796 SGD
$4,534 USD
As of November 1, 2026
Save $17,483 SGD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $23,280 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.21ct lab-grown cushion diamond

This 11.21ct 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 LG605326749 or 605326749. Listed at 4 retailers as of October 31, 2026, with prices from $5,796 to $23,280, a $17,483 spread on the same certified stone. Brilliant Earth lists it at $23,280. 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

11.21
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605326749
Dimensions15.10 × 12.34 × 7.82 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.10 mm12.34 mm11.21 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605326749
Side View
Table 59.0%Crown 37.2°Girdle: MED-THKPavilion 37.5°Culet: NoneDepth 63.4%

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: Nov 1
Current: $23,280 SGD|Low: $2,181 SGD|High: $24,481 SGD|Avg: $8,804 SGD|-3.0%
Brilliant Earth
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
October 31, 2026
Retailer 7$2,181 SGD
Retailer 14$4,194 SGD
Retailer 12$4,334 SGD
Retailer 4$5,404 SGD
Retailer 13$5,796 SGD
Retailer 9$5,933 SGD
Retailer 5$6,200 SGD
Retailer 2$6,904 SGD
Retailer 6$7,209 SGD
Retailer 8$7,647 SGD
Retailer 3$9,600 SGD
Retailer 15$11,350 SGD
Retailer 10$11,799 SGD
Brilliant Earth$23,280 SGD
Retailer 11$24,481 SGD

20 data points across 15 retailers

4 retailers$5,796 SGD to $23,280 SGD

A
Cheapest Retailer
-
$5,796 SGD
$4,534 USD
B+
Retailer 2
-
$6,904 SGD
€5,143 EUR
View
B
Retailer 3
-
$11,350 SGD
$8,878 USD
View
Most Expensive
B
Brilliant Earth
18094760A · Oct 31
$23,280 SGD
$18,210 USD
View
3 more retailers have this diamond
Prices start from $5,796 SGDSave up to $17,483 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
11.21ct Cushion
$5,796 SGD