CaratHunter
Plans
Radiant|Lab Grown|IGI

1.40ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG691547727

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG691547727

Diamond specifications and retailer prices

From $719 NZD
$404 USD
As of October 29, 2026
Save $1,259 NZD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,979 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.4ct lab-grown radiant diamond

This 1.4ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG691547727 or 691547727. Listed at 6 retailers as of October 29, 2026, with prices from $719 to $1,979, a $1,259 spread on the same certified stone. MOH London lists it at $1,979. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.40
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691547727
Dimensions7.83 × 5.54 × 3.59 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm5.54 mm1.40 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691547727
Side View
Table 64.0%Crown 45.9°Girdle: MED-STKPavilion 31.5°Culet: NoneDepth 64.8%

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 29
Current: $1,979 NZD|Low: $719 NZD|High: $1,992 NZD|Avg: $1,081 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$719 NZD
Retailer 4$771 NZD
Retailer 5$894 NZD
Retailer 2$915 NZD
Retailer 3$1,309 NZD
MOH London$1,979 NZD

40 data points across 6 retailers

6 retailers$719 NZD to $1,979 NZD

A
Cheapest Retailer
-
$719 NZD
$404 USD
B+
Retailer 2
-
$771 NZD
$433 USD
View
B+
Retailer 3
-
$894 NZD
$502 USD
View
B+
Retailer 4
-
$915 NZD
£404 GBP
View
Retailer 5
-
$1,309 NZD
$735 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG691547727 · Oct 29
$1,979 NZD
£875 GBP
View
5 more retailers have this diamond
Prices start from $719 NZDSave up to $1,259 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 Radiant
$719 NZD