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 $1,489 NZD
$839 USD
As of October 31, 2026
Save $4,397 NZD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,886 NZD 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 $1,489 to $5,886, a $4,397 spread on the same certified stone. MOH London lists it at $5,886. 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
Colour
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 31
Current: $5,886 NZD|Low: $1,489 NZD|High: $6,089 NZD|Avg: $3,644 NZD|-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 31, 2026
Retailer 15$1,489 NZD
Retailer 9$1,854 NZD
Retailer 3$1,978 NZD
Retailer 14$2,209 NZD
Retailer 13$2,230 NZD
Retailer 2$2,336 NZD
Retailer 8$2,476 NZD
Retailer 10$3,482 NZD
Retailer 6$3,592 NZD
Retailer 12$4,338 NZD
Retailer 7$5,023 NZD
Retailer 4$5,190 NZD
Retailer 5$5,318 NZD
Retailer 11$5,507 NZD
MOH London$5,886 NZD

12 data points across 15 retailers

15 retailers$1,489 NZD to $5,886 NZD

A+
Cheapest Retailer
-
$1,489 NZD
$839 USD
Final sale: no returns
A
Retailer 2
-
$1,854 NZD
$1,045 USD
View
A
Retailer 3
-
$1,978 NZD
£878 GBP
View
A
Retailer 4
-
$2,209 NZD
$1,245 USD
View
A
Retailer 5
-
$2,230 NZD
$1,257 USD
View
A
Retailer 6
-
$2,336 NZD
€1,254 EUR
View
A
Retailer 7
-
$2,476 NZD
£1,099 GBP
View
A
Retailer 8
-
$3,482 NZD
A$3,019 AUD
View
A
Retailer 9
-
$3,592 NZD
ZAR 32,703 ZAR
View
B+
Retailer 10
-
$4,338 NZD
$2,445 USD
View
B+
Retailer 11
-
$5,023 NZD
$2,831 USD
View
B+
Retailer 12
-
$5,190 NZD
SGD 3,953 SGD
View
B+
Retailer 13
-
$5,318 NZD
$2,997 USD
View
B+
Retailer 14
-
$5,507 NZD
$3,104 USD
View
Most Expensive
B+
MOH London
LG846643518 · Oct 25
$5,886 NZD
£2,612 GBP
View
14 more retailers have this diamond
Prices start from $1,489 NZDSave up to $4,397 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+
3.40ct Cushion
$1,489 NZD