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Cushion|Lab Grown|IGI

4.05ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG845698639

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845698639

Diamond specifications and retailer prices

From $1,258 AUD
£696 GBP
As of October 30, 2026
Save $6,459 AUD (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,717 AUD at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845698639 or 845698639. Listed at 5 retailers as of October 30, 2026, with prices from $1,258 to $7,717, a $6,459 spread on the same certified stone. Frank Darling lists it at $7,717. 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
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845698639
Dimensions11.54 × 8.19 × 5.50 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.54 mm8.19 mm4.05 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845698639
Side View
Table 62.0%Crown 35.3°Girdle: THN-STKPavilion 35.8°CuletDepth 67.2%

Caratlytics Score

How it works →
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: Oct 30
Current: $7,717 AUD|Low: $1,258 AUD|High: $7,717 AUD|Avg: $4,619 AUD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2$1,258 AUD
Retailer 3$1,882 AUD
Retailer 5$3,801 AUD
Retailer 4$7,346 AUD
Frank Darling$7,717 AUD

3 data points across 5 retailers

5 retailers$1,258 AUD to $7,717 AUD

A
Cheapest Retailer
-
$1,258 AUD
£696 GBP
A
Retailer 2
-
$1,882 AUD
$1,322 USD
View
B
Retailer 3
-
$3,801 AUD
$2,670 USD
View
B
Retailer 4
-
$7,346 AUD
$5,160 USD
View
Most Expensive
B
Frank Darling
LGLCU40-174538UD · Oct 30
$7,717 AUD
$5,421 USD
View
4 more retailers have this diamond
Prices start from $1,258 AUDSave up to $6,459 AUD

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
$1,258 AUD