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Cushion|Lab Grown|IGI

11.09ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG678596589

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678596589

Diamond specifications and retailer prices

From $3,503 SGD
$2,740 USD
As of November 2, 2026
Save $8,005 SGD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,508 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.09ct lab-grown cushion diamond

This 11.09ct 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 LG678596589 or 678596589. Listed at 11 retailers as of October 31, 2026, with prices from $3,503 to $11,508, a $8,005 spread on the same certified stone. Taylor and Hart lists it at $11,508. 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

11.09
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678596589
Dimensions15.34 × 11.73 × 7.57 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.34 mm11.73 mm11.09 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678596589
Side View
Table 60.0%Crown 35.6°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
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 2
Current: $6,102 SGD|Low: $2,659 SGD|High: $11,844 SGD|Avg: $6,467 SGD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 1, 2026
Retailer 6$2,659 SGD
Retailer 7$3,293 SGD
Retailer 5$3,503 SGD
Retailer 3$4,533 SGD
Retailer 4$5,098 SGD
Retailer 10$5,142 SGD
Retailer 1$6,102 SGD
Retailer 8$6,254 SGD
Retailer 2$8,793 SGD
Retailer 9$9,376 SGD
Taylor and Hart$11,508 SGD

42 data points across 11 retailers

11 retailers$3,503 SGD to $11,508 SGD

Retailer 1
-
$2,659 SGD
£1,638 GBP
Price last confirmed 15 days ago
Retailer 2
-
$3,293 SGD
$2,576 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$3,503 SGD
$2,740 USD
View
A
Retailer 4
-
$4,533 SGD
£2,792 GBP
View
A
Retailer 5
-
$5,098 SGD
ZAR 64,423 ZAR
View
A
Retailer 6
-
$5,142 SGD
$4,022 USD
View
B+
Retailer 7
-
$6,102 SGD
A$7,343 AUD
View
B+
Retailer 8
-
$6,254 SGD
£3,852 GBP
View
B+
Retailer 9
-
$8,793 SGD
$6,878 USD
View
B+
Retailer 10
-
$9,376 SGD
$7,334 USD
View
Most Expensive
B
Taylor and Hart
BUENFQE · Oct 31
$11,508 SGD
$9,002 USD
View
10 more retailers have this diamond
Prices start from $3,503 SGDSave up to $8,005 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
11.09ct Cushion
$3,503 SGD