Cushion|Lab Grown|IGI

3.40ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG846643518

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846643518

Diamond specifications and retailer prices

From $841 USD
As of October 29, 2026
Save $2,476 USD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,317 USD at MOH London · As of October 25, 2026
View at MOH London

About this 3.4ct lab-grown cushion diamond

This 3.4ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846643518 or 846643518. Listed at 15 retailers as of October 25, 2026, with prices from $841 to $3,317, a $2,476 spread on the same certified stone. MOH London lists it at $3,317. 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

3.40
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846643518
Dimensions10.73 × 7.63 × 4.90 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
10.73 mm7.63 mm3.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846643518
Side View
Table 67.0%Crown 38.5°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,317 USD|Low: $841 USD|High: $3,432 USD|Avg: $2,061 USD|-3.3%
MOH London
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
October 30, 2026
Retailer 5$841 USD
Retailer 3$1,065 USD
Retailer 2$1,115 USD
Retailer 15$1,248 USD
Retailer 6$1,262 USD
Retailer 11$1,332 USD
Retailer 9$1,400 USD
Retailer 12$2,024 USD
Retailer 7$2,055 USD
Retailer 4$2,446 USD
Retailer 13$2,831 USD
Retailer 8$2,925 USD
Retailer 10$2,997 USD
Retailer 14$3,116 USD
MOH London$3,317 USD

11 data points across 15 retailers

15 retailers$841 USD to $3,317 USD

A+
Cheapest Retailer
-
$841 USD
Final sale: no returns
A
Retailer 2
-
$1,065 USD
View
A
Retailer 3
-
$1,115 USD
£878 GBP
View
A
Retailer 4
-
$1,248 USD
View
A
Retailer 5
-
$1,262 USD
View
A
Retailer 6
-
$1,332 USD
€1,269 EUR
View
A
Retailer 7
-
$1,400 USD
£1,103 GBP
View
A
Retailer 8
-
$2,024 USD
ZAR 32,703 ZAR
View
Retailer 9
-
$2,055 USD
A$3,161 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,446 USD
View
B+
Retailer 11
-
$2,831 USD
View
B+
Retailer 12
-
$2,925 USD
SGD 3,953 SGD
View
B+
Retailer 13
-
$2,997 USD
View
B+
Retailer 14
-
$3,116 USD
View
Most Expensive
B+
MOH London
LG846643518 · Oct 25
$3,317 USD
£2,612 GBP
View
14 more retailers have this diamond
Prices start from $841 USDSave up to $2,476 USD

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+
3.40ct Cushion
$841 USD