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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 $9,423 NZD
$5,311 USD
As of October 29, 2026
Save $29,499 NZD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $38,922 NZD 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 $9,423 to $38,922, a $29,499 spread on the same certified stone. Taylor and Hart lists it at $38,922. 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: $14,011 NZD|Low: $8,171 NZD|High: $38,922 NZD|Avg: $16,848 NZD|+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 31, 2026
Retailer 12$9,423 NZD
Retailer 14$9,876 NZD
Retailer 2$10,931 NZD
Retailer 4$10,931 NZD
Retailer 11$10,956 NZD
Retailer 6$11,457 NZD
Retailer 9$12,482 NZD
Retailer 3$12,975 NZD
Retailer 10$13,462 NZD
Retailer 1$14,011 NZD
Retailer 5$15,494 NZD
Retailer 15$18,444 NZD
Retailer 8$22,362 NZD
Retailer 13$24,347 NZD
Retailer 7$30,398 NZD
Taylor and Hart$38,922 NZD

42 data points across 16 retailers

16 retailers$9,423 NZD to $38,922 NZD

A
Cheapest Retailer
-
$9,423 NZD
$5,311 USD
A
Retailer 2
-
$9,876 NZD
$5,566 USD
View
A
Retailer 3
-
$10,931 NZD
$6,161 USD
View
Retailer 4
-
$10,931 NZD
$6,161 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$10,956 NZD
$6,175 USD
View
A
Retailer 6
-
$11,457 NZD
$6,457 USD
View
A
Retailer 7
-
$12,482 NZD
$7,035 USD
View
Final sale: no returns
A
Retailer 8
-
$12,975 NZD
$7,313 USD
View
A
Retailer 9
-
$13,462 NZD
$7,587 USD
View
A
Retailer 10
-
$14,011 NZD
£6,218 GBP
View
B+
Retailer 11
-
$15,494 NZD
£6,876 GBP
View
B+
Retailer 12
-
$18,444 NZD
$10,395 USD
View
B+
Retailer 13
-
$22,362 NZD
£9,924 GBP
View
B
Retailer 14
-
$24,347 NZD
$13,722 USD
View
B
Retailer 15
-
$30,398 NZD
$17,132 USD
View
Most Expensive
B
Taylor and Hart
3HNUFDP · Oct 30
$38,922 NZD
$21,937 USD
View
15 more retailers have this diamond
Prices start from $9,423 NZDSave up to $29,499 NZD

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
$9,423 NZD