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1.40ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499191767

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499191767

Diamond specifications and retailer prices

From $704 USD
As of October 29, 2026
Save $2,522 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,226 USD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499191767 or 499191767. Listed at 11 retailers as of October 29, 2026, with prices from $704 to $3,226, a $2,522 spread on the same certified stone. MOH London lists it at $3,226. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.40
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191767
Dimensions7.19 × 7.15 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.19 mm7.15 mm1.40 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191767
Side View
Table 56.0%Crown 35.1°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 62.6%

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: $3,226 USD|Low: $563 USD|High: $3,247 USD|Avg: $1,354 USD|+0.6%
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
October 30, 2026
Retailer 7$704 USD
Retailer 11$766 USD
Retailer 10$789 USD
Retailer 2$800 USD
Retailer 8$817 USD
Retailer 4$826 USD
Retailer 13$885 USD
Retailer 3$1,305 USD
Retailer 9$1,326 USD
Retailer 5$1,828 USD
Retailer 6$2,012 USD
Retailer 12$2,297 USD
MOH London$3,226 USD

16 data points across 13 retailers

11 retailers$704 USD to $3,226 USD

A
Cheapest Retailer
-
$704 USD
A
Retailer 2
-
$766 USD
View
A
Retailer 3
-
$789 USD
View
Final sale: no returns
A
Retailer 4
-
$800 USD
View
A
Retailer 5
-
$817 USD
View
Retailer 6
-
$817 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$885 USD
View
B+
Retailer 8
-
$1,326 USD
View
B
Retailer 9
-
$2,012 USD
View
B
Retailer 10
-
$2,297 USD
View
Most Expensive
B
MOH London
LG499191767 · Oct 29
$3,226 USD
£2,540 GBP
View
10 more retailers have this diamond
Prices start from $704 USDSave up to $2,522 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
$704 USD