CaratHunter
Plans
Radiant|Lab Grown|IGI

1.56ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG614315354

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

Certificate IGI LG614315354

Diamond specifications and retailer prices

From $319 NZD
$180 USD
As of October 30, 2026
Save $1,537 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,857 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614315354 or 614315354. Listed at 11 retailers as of October 29, 2026, with prices from $319 to $1,857, a $1,537 spread on the same certified stone. MOH London lists it at $1,857. 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

1.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614315354
Dimensions8.16 × 5.71 × 3.80 mm
L/W Ratio1.43
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
8.16 mm5.71 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614315354
Side View
Table 64.0%Crown 44.5°Girdle: STK-THKPavilion 35°Culet: NoneDepth 66.5%

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 30
Current: $1,857 NZD|Low: $319 NZD|High: $3,460 NZD|Avg: $1,001 NZD
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
Retailer 14
October 30, 2026
Retailer 3$319 NZD
Retailer 14$369 NZD
Retailer 8$396 NZD
Retailer 12$454 NZD
Retailer 2$507 NZD
Retailer 4$600 NZD
Retailer 13$701 NZD
Retailer 7$711 NZD
Retailer 11$837 NZD
Retailer 9$859 NZD
Retailer 10$1,270 NZD
Retailer 5$1,383 NZD
MOH London$1,857 NZD
Retailer 6$3,460 NZD

4 data points across 14 retailers

11 retailers$319 NZD to $1,857 NZD

A
Cheapest Retailer
-
$319 NZD
$180 USD
A
Retailer 2
-
$369 NZD
$208 USD
View
A
Retailer 3
-
$396 NZD
$223 USD
View
A
Retailer 4
-
$454 NZD
HK$2,000 HKD
View
A
Retailer 5
-
$507 NZD
£225 GBP
View
B+
Retailer 6
-
$701 NZD
$395 USD
View
A
Retailer 7
-
$711 NZD
£316 GBP
View
A
Retailer 8
-
$837 NZD
$472 USD
View
A
Retailer 9
-
$859 NZD
$484 USD
View
B+
Retailer 10
-
$1,270 NZD
$716 USD
View
Most Expensive
B
MOH London
LG614315354 · Oct 29
$1,857 NZD
£824 GBP
View
10 more retailers have this diamond
Prices start from $319 NZDSave up to $1,537 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
1.56ct Radiant
$319 NZD