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Cushion|Lab Grown|IGI

3.92ct L VS1 Cushion Lab Grown Diamond

ID • L/VS1 • IGI LG826686827

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG826686827

Diamond specifications and retailer prices

From $2,943 AUD
As of November 6, 2026
Save $3,565 AUD (55%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,508 AUD at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 3.92ct lab-grown cushion diamond

This 3.92ct lab-grown cushion sits in the three to five carat band, graded L colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826686827 or 826686827. Listed at 6 retailers as of November 3, 2026, with prices from $2,943 to $6,508, a $3,565 spread on the same certified stone. Cape Diamonds lists it at $6,508. 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

3.92
Carat
L
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826686827
Dimensions12.81 × 8.21 × 5.02 mm
L/W Ratio1.56
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.81 mm8.21 mm3.92 ctL / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826686827
Side View
Table 51.0%Crown 30.2°Girdle: THK-VTKPavilion 37.3°Culet: LargeDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,508 AUD|Low: $2,794 AUD|High: $7,104 AUD|Avg: $3,993 AUD|+12.2%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$2,943 AUD
Retailer 4$3,042 AUD
Retailer 5$3,043 AUD
Retailer 3$3,994 AUD
Retailer 2$4,964 AUD
Cape Diamonds$6,508 AUD

25 data points across 6 retailers

6 retailers$2,943 AUD to $6,508 AUD

B+
Cheapest Retailer
-
$2,943 AUD
B+
Retailer 2
-
$3,042 AUD
View
Retailer 3
-
$3,043 AUD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$3,994 AUD
View
C
Retailer 5
-
$4,964 AUD
View
Most Expensive
B
Cape Diamonds
cert_826686827 · Nov 3
$6,508 AUD
ZAR 72,241 ZAR
View
5 more retailers have this diamond
Prices start from $2,943 AUDSave up to $3,565 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.

B+
3.92ct Cushion
$2,943 AUD