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Cushion|Lab Grown|IGI

4.10ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG749593778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG749593778

Diamond specifications and retailer prices

From $1,351 NZD
$760 USD
As of November 2, 2026
Save $7,696 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,046 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749593778 or 749593778. Listed at 14 retailers as of November 2, 2026, with prices from $1,351 to $9,046, a $7,696 spread on the same certified stone. Brilliant Earth lists it at $9,046. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.10
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749593778
Dimensions10.93 × 8.57 × 5.87 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm8.57 mm4.10 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749593778
Side View
Table 65.0%Crown 33°Girdle: MED-THKPavilion 44.3°Culet: NoneDepth 68.5%

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 2
Current: $9,046 NZD|Low: $1,052 NZD|High: $10,735 NZD|Avg: $3,110 NZD|-15.7%
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
November 2, 2026
Retailer 6$1,168 NZD
Retailer 4$1,351 NZD
Retailer 8$1,473 NZD
Retailer 10$1,885 NZD
Retailer 13$1,959 NZD
Retailer 12$1,967 NZD
Retailer 7$1,987 NZD
Retailer 11$2,158 NZD
Retailer 2$2,945 NZD
Retailer 14$4,063 NZD
Retailer 3$4,120 NZD
Retailer 5$5,501 NZD
Retailer 9$5,523 NZD
Brilliant Earth$9,046 NZD

38 data points across 14 retailers

14 retailers$1,351 NZD to $9,046 NZD

Retailer 1
-
$1,168 NZD
$657 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$1,351 NZD
$760 USD
View
A
Retailer 3
-
$1,473 NZD
$829 USD
View
Final sale: no returns
A
Retailer 4
-
$1,885 NZD
€1,010 EUR
View
B+
Retailer 5
-
$1,959 NZD
$1,102 USD
View
A
Retailer 6
-
$1,967 NZD
$1,107 USD
View
A
Retailer 7
-
$1,987 NZD
£880 GBP
View
A
Retailer 8
-
$2,158 NZD
$1,214 USD
View
B
Retailer 9
-
$2,945 NZD
$1,657 USD
View
B
Retailer 10
-
$4,063 NZD
$2,286 USD
View
B
Retailer 11
-
$4,120 NZD
$2,318 USD
View
Retailer 12
-
$5,501 NZD
$3,095 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$5,523 NZD
£2,447 GBP
View
Most Expensive
B
Brilliant Earth
21586390A · Nov 2
$9,046 NZD
$5,090 USD
View
13 more retailers have this diamond
Prices start from $1,351 NZDSave up to $7,696 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
4.10ct Cushion
$1,351 NZD