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Cushion|Lab Grown|IGI

4.11ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG844621789

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG844621789

Diamond specifications and retailer prices

From $8,073 SGD
$6,315 USD
As of October 28, 2026
Save $20,525 SGD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $28,598 SGD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 4.11ct lab-grown cushion diamond

This 4.11ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844621789 or 844621789. Listed at 10 retailers as of October 26, 2026, with prices from $8,073 to $28,598, a $20,525 spread on the same certified stone. Taylor and Hart lists it at $28,598. 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

4.11
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621789
Dimensions9.81 × 9.52 × 6.04 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.81 mm9.52 mm4.11 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621789
Side View
Table 51.0%Crown 36.4°Girdle: MED-STKPavilion 41.2°Culet: LargeDepth 63.4%

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: Oct 28
Current: $10,283 SGD|Low: $8,073 SGD|High: $28,598 SGD|Avg: $13,996 SGD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 27, 2026
Retailer 6$8,073 SGD
Retailer 5$8,611 SGD
Retailer 7$9,219 SGD
Retailer 4$9,932 SGD
Retailer 1$10,283 SGD
Retailer 10$11,456 SGD
Retailer 8$13,376 SGD
Retailer 2$13,621 SGD
Retailer 3$16,432 SGD
Retailer 9$22,428 SGD
Taylor and Hart$28,598 SGD

14 data points across 11 retailers

10 retailers$8,073 SGD to $28,598 SGD

A
Cheapest Retailer
-
$8,073 SGD
$6,315 USD
A
Retailer 2
-
$8,611 SGD
$6,736 USD
View
A
Retailer 3
-
$9,932 SGD
$7,769 USD
View
A
Retailer 4
-
$10,283 SGD
£6,334 GBP
View
B+
Retailer 5
-
$11,456 SGD
£7,056 GBP
View
B+
Retailer 6
-
$13,376 SGD
$10,463 USD
View
B+
Retailer 7
-
$13,621 SGD
$10,655 USD
View
B+
Retailer 8
-
$16,432 SGD
£10,121 GBP
View
B
Retailer 9
-
$22,428 SGD
$17,544 USD
View
Most Expensive
B
Taylor and Hart
0QD3Q6C · Oct 26
$28,598 SGD
$22,371 USD
View
9 more retailers have this diamond
Prices start from $8,073 SGDSave up to $20,525 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
4.11ct Cushion
$8,073 SGD