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Round|Lab Grown|IGI

1.40ct J VS2 Round Lab Grown Diamond

EX • J/VS2 • IGI LG400942942

Shape and cutting style on the report: Round brilliant

Certificate IGI LG400942942

Diamond specifications and retailer prices

From $726 USD
As of October 29, 2026
Save $1,642 USD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,325 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG400942942 or 400942942. Listed at 13 retailers as of October 27, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
J
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400942942
Dimensions7.16 × 7.12 × 4.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.16 mm7.12 mm1.40 ctJ / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG400942942
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 29
Current: $3,325 USD|Low: $697 USD|High: $3,352 USD|Avg: $1,396 USD|+0.5%
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 29, 2026
Retailer 10$726 USD
Retailer 15$790 USD
Retailer 4$812 USD
Retailer 12$842 USD
Retailer 14$842 USD
Retailer 5$870 USD
Retailer 2$983 USD
Retailer 11$1,000 USD
Retailer 9$1,020 USD
Retailer 6$1,337 USD
Retailer 13$1,366 USD
Retailer 8$2,074 USD
Retailer 3$2,368 USD
Retailer 7$2,410 USD
MOH London$3,325 USD

26 data points across 15 retailers

13 retailers$726 USD to $2,368 USD

A
Cheapest Retailer
-
$726 USD
A
Retailer 2
-
$790 USD
View
A
Retailer 3
-
$812 USD
View
Final sale: no returns
A
Retailer 4
-
$842 USD
View
Retailer 5
-
$842 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$870 USD
View
A
Retailer 7
-
$983 USD
£774 GBP
View
B+
Retailer 8
-
$1,000 USD
View
A
Retailer 9
-
$1,020 USD
View
B+
Retailer 10
-
$1,366 USD
View
B
Retailer 11
-
$2,074 USD
View
B
Retailer 12
-
$2,368 USD
View
Most Expensive
MOH London
LG400942942 · Oct 21
$3,325 USD
£2,618 GBP
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $726 USDSave up to $1,642 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
1.40ct Round
$726 USD