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Cushion|Lab Grown|IGI

4.05ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG818652405

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818652405

Diamond specifications and retailer prices

From $1,343 NZD
£596 GBP
As of November 2, 2026
Save $9,090 NZD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,433 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818652405 or 818652405. Listed at 15 retailers as of November 2, 2026, with prices from $1,343 to $10,433, a $9,090 spread on the same certified stone. Do Amore Diamonds lists it at $10,433. 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

4.05
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818652405
Dimensions11.11 × 8.33 × 5.50 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.11 mm8.33 mm4.05 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818652405
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 66.0%

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: Nov 2
Current: $10,433 NZD|Low: $1,342 NZD|High: $10,433 NZD|Avg: $4,670 NZD
Do Amore Diamonds
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
November 2, 2026
Retailer 2$1,343 NZD
Retailer 10$1,677 NZD
Retailer 4$2,223 NZD
Retailer 9$2,346 NZD
Retailer 5$2,358 NZD
Retailer 8$2,394 NZD
Retailer 12$3,202 NZD
Retailer 11$3,223 NZD
Retailer 14$4,649 NZD
Retailer 7$5,384 NZD
Retailer 6$5,428 NZD
Retailer 3$5,704 NZD
Retailer 13$5,915 NZD
Retailer 15$10,007 NZD
Do Amore Diamonds$10,433 NZD

28 data points across 15 retailers

15 retailers$1,343 NZD to $10,433 NZD

A
Cheapest Retailer
-
$1,343 NZD
£596 GBP
A
Retailer 2
-
$1,677 NZD
$945 USD
View
A
Retailer 3
-
$2,223 NZD
$1,253 USD
View
A
Retailer 4
-
$2,346 NZD
€1,259 EUR
View
A
Retailer 5
-
$2,358 NZD
$1,329 USD
View
A
Retailer 6
-
$2,394 NZD
£1,063 GBP
View
A
Retailer 7
-
$3,202 NZD
ZAR 29,155 ZAR
View
A
Retailer 8
-
$3,223 NZD
A$2,795 AUD
View
B+
Retailer 9
-
$4,649 NZD
$2,620 USD
View
B+
Retailer 10
-
$5,384 NZD
$3,035 USD
View
B+
Retailer 11
-
$5,428 NZD
SGD 4,134 SGD
View
Retailer 12
-
$5,704 NZD
$3,215 USD
View
Price last confirmed 25 days ago
B
Retailer 13
-
$5,915 NZD
£2,625 GBP
View
B
Retailer 14
-
$10,007 NZD
$5,640 USD
View
Most Expensive
B
Do Amore Diamonds
27-E16478EA2 · Nov 2
$10,433 NZD
$5,880 USD
View
14 more retailers have this diamond
Prices start from $1,343 NZDSave up to $9,090 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
4.05ct Cushion
$1,343 NZD