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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 $1,388 NZD
As of November 5, 2026
Save $5,001 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,389 NZD at MOH London · As of November 5, 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 November 5, 2026, with prices from $1,388 to $6,389, a $5,001 spread on the same certified stone. MOH London lists it at $6,389. 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
Colour
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

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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: Nov 5
Current: $6,389 NZD|Low: $1,388 NZD|High: $6,491 NZD|Avg: $3,300 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2$1,388 NZD
Retailer 6$1,628 NZD
Retailer 9$1,823 NZD
Retailer 7$1,889 NZD
Retailer 3$1,946 NZD
Retailer 10$2,197 NZD
Retailer 12$2,786 NZD
Retailer 8$3,028 NZD
Retailer 5$4,202 NZD
Retailer 4$5,408 NZD
Retailer 11$5,643 NZD
MOH London$6,389 NZD

16 data points across 12 retailers

12 retailers$1,388 NZD to $6,389 NZD

A
Cheapest Retailer
-
$1,388 NZD
A
Retailer 2
-
$1,628 NZD
View
B+
Retailer 3
-
$1,772 NZD
View
B+
Retailer 4
-
$1,823 NZD
View
Final sale: no returns
Retailer 5
-
$1,889 NZD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,889 NZD
View
B+
Retailer 7
-
$2,197 NZD
View
B
Retailer 8
-
$3,028 NZD
View
B
Retailer 9
-
$4,202 NZD
View
B
Retailer 10
-
$5,310 NZD
View
B
Retailer 11
-
$5,643 NZD
View
Most Expensive
B
MOH London
LG485162769 · Nov 5
$6,389 NZD
£2,828 GBP
View
11 more retailers have this diamond
Prices start from $1,388 NZDSave up to $5,001 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
1.40ct Round
$1,388 NZD