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Cushion|Lab Grown|IGI

4.01ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG800663001

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

Certificate IGI LG800663001

Diamond specifications and retailer prices

From $6,790 SGD
$5,311 USD
As of October 29, 2026
Save $21,254 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $28,044 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG800663001 or 800663001. Listed at 16 retailers as of October 29, 2026, with prices from $6,790 to $28,044, a $21,254 spread on the same certified stone. Taylor and Hart lists it at $28,044. 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

4.01
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800663001
Dimensions10.82 × 7.43 × 4.88 mm
L/W Ratio1.46
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
10.82 mm7.43 mm4.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800663001
Side View
Table 67.0%Crown 38.4°Girdle: MED-STKPavilion 41.8°Culet: LargeDepth 65.7%

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 29
Current: $10,095 SGD|Low: $5,887 SGD|High: $28,044 SGD|Avg: $12,143 SGD|+0.5%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 12$6,790 SGD
Retailer 14$7,116 SGD
Retailer 2$7,876 SGD
Retailer 4$7,876 SGD
Retailer 11$7,894 SGD
Retailer 6$8,255 SGD
Retailer 9$8,994 SGD
Retailer 3$9,349 SGD
Retailer 10$9,699 SGD
Retailer 1$10,095 SGD
Retailer 5$11,164 SGD
Retailer 15$13,289 SGD
Retailer 8$16,112 SGD
Retailer 13$17,542 SGD
Retailer 7$21,902 SGD
Taylor and Hart$28,044 SGD

41 data points across 16 retailers

16 retailers$6,790 SGD to $28,044 SGD

A
Cheapest Retailer
-
$6,790 SGD
$5,311 USD
A
Retailer 2
-
$7,116 SGD
$5,566 USD
View
A
Retailer 3
-
$7,876 SGD
$6,161 USD
View
Retailer 4
-
$7,876 SGD
$6,161 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$7,894 SGD
$6,175 USD
View
A
Retailer 6
-
$8,255 SGD
$6,457 USD
View
A
Retailer 7
-
$8,994 SGD
$7,035 USD
View
Final sale: no returns
A
Retailer 8
-
$9,349 SGD
$7,313 USD
View
A
Retailer 9
-
$9,699 SGD
$7,587 USD
View
A
Retailer 10
-
$10,095 SGD
£6,218 GBP
View
B+
Retailer 11
-
$11,164 SGD
£6,876 GBP
View
B+
Retailer 12
-
$13,289 SGD
$10,395 USD
View
B+
Retailer 13
-
$16,112 SGD
£9,924 GBP
View
B
Retailer 14
-
$17,542 SGD
$13,722 USD
View
B
Retailer 15
-
$21,902 SGD
$17,132 USD
View
Most Expensive
B
Taylor and Hart
3HNUFDP · Oct 30
$28,044 SGD
$21,937 USD
View
15 more retailers have this diamond
Prices start from $6,790 SGDSave up to $21,254 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
4.01ct Cushion
$6,790 SGD