CaratHunter
Plans
Round|Lab Grown|IGI

1.39ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG786642414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786642414

Diamond specifications and retailer prices

From $334 NZD
$188 USD
As of October 29, 2026
Save $1,616 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,949 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round 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 top-tier cut grade and certified by IGI LG786642414 or 786642414. Listed at 14 retailers as of October 29, 2026, with prices from $334 to $1,949, a $1,616 spread on the same certified stone. MOH London lists it at $1,949. 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

1.39
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786642414
Dimensions7.21 × 7.17 × 4.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.21 mm7.17 mm1.39 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786642414
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.3%

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: $1,949 NZD|Low: $321 NZD|High: $1,996 NZD|Avg: $850 NZD|-2.4%
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 11$334 NZD
Retailer 13$374 NZD
Retailer 5$415 NZD
Retailer 7$702 NZD
Retailer 3$729 NZD
Retailer 6$751 NZD
Retailer 2$810 NZD
Retailer 4$845 NZD
Retailer 12$864 NZD
Retailer 9$905 NZD
Retailer 10$1,091 NZD
Retailer 8$1,207 NZD
MOH London$1,949 NZD

34 data points across 13 retailers

14 retailers$334 NZD to $1,949 NZD

A
Cheapest Retailer
-
$334 NZD
$188 USD
A
Retailer 2
-
$374 NZD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
$415 NZD
$234 USD
View
A
Retailer 4
-
$702 NZD
€377 EUR
View
B+
Retailer 5
-
$729 NZD
$411 USD
View
A
Retailer 6
-
$751 NZD
£333 GBP
View
A
Retailer 7
-
$810 NZD
£359 GBP
View
B+
Retailer 8
-
$845 NZD
$476 USD
View
B+
Retailer 9
-
$864 NZD
$487 USD
View
B+
Retailer 10
-
$905 NZD
$510 USD
View
B
Retailer 11
-
$1,091 NZD
$615 USD
View
B+
Retailer 12
-
$1,207 NZD
$680 USD
View
Retailer 13
-
$1,224 NZD
$690 USD
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
LG786642414 · Oct 29
$1,949 NZD
£865 GBP
View
13 more retailers have this diamond
Prices start from $334 NZDSave up to $1,616 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
1.39ct Round
$334 NZD