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Round|Lab Grown|IGI

1.40ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG485162769

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485162769

Diamond specifications and retailer prices

From $780 USD
As of October 31, 2026
Save $2,820 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,600 USD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485162769 or 485162769. Listed at 12 retailers as of October 31, 2026, with prices from $780 to $3,600, a $2,820 spread on the same certified stone. MOH London lists it at $3,600. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485162769
Dimensions7.15 × 7.10 × 4.42 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
7.15 mm7.10 mm1.40 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485162769
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
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: $3,600 USD|Low: $780 USD|High: $3,649 USD|Avg: $1,855 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$780 USD
Retailer 6$915 USD
Retailer 9$1,025 USD
Retailer 7$1,062 USD
Retailer 3$1,094 USD
Retailer 10$1,235 USD
Retailer 12$1,566 USD
Retailer 8$1,702 USD
Retailer 5$2,362 USD
Retailer 4$3,040 USD
Retailer 11$3,173 USD
MOH London$3,600 USD

17 data points across 12 retailers

12 retailers$780 USD to $3,600 USD

A
Cheapest Retailer
-
$780 USD
B+
Retailer 2
-
$915 USD
View
B+
Retailer 3
-
$996 USD
View
B+
Retailer 4
-
$1,025 USD
View
Final sale: no returns
Retailer 5
-
$1,062 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,062 USD
View
B+
Retailer 7
-
$1,235 USD
View
B
Retailer 8
-
$1,702 USD
View
B
Retailer 9
-
$2,362 USD
View
B
Retailer 10
-
$2,985 USD
View
B
Retailer 11
-
$3,173 USD
View
Most Expensive
B
MOH London
LG485162769 · Nov 1
$3,600 USD
£2,835 GBP
View
11 more retailers have this diamond
Prices start from $780 USDSave up to $2,820 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
$780 USD