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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 $256 AUD
$180 USD
As of October 30, 2026
Save $1,233 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,490 AUD 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 $256 to $1,490, a $1,233 spread on the same certified stone. MOH London lists it at $1,490. 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: $1,490 AUD|Low: $256 AUD|High: $2,776 AUD|Avg: $803 AUD
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$256 AUD
Retailer 14$296 AUD
Retailer 8$317 AUD
Retailer 12$364 AUD
Retailer 2$407 AUD
Retailer 4$481 AUD
Retailer 13$562 AUD
Retailer 7$571 AUD
Retailer 11$672 AUD
Retailer 9$689 AUD
Retailer 10$1,019 AUD
Retailer 5$1,109 AUD
MOH London$1,490 AUD
Retailer 6$2,776 AUD

4 data points across 14 retailers

11 retailers$256 AUD to $1,490 AUD

A
Cheapest Retailer
-
$256 AUD
$180 USD
A
Retailer 2
-
$296 AUD
$208 USD
View
A
Retailer 3
-
$317 AUD
$223 USD
View
A
Retailer 4
-
$364 AUD
HK$2,000 HKD
View
A
Retailer 5
-
$407 AUD
£225 GBP
View
B+
Retailer 6
-
$562 AUD
$395 USD
View
A
Retailer 7
-
$571 AUD
£316 GBP
View
A
Retailer 8
-
$672 AUD
$472 USD
View
A
Retailer 9
-
$689 AUD
$484 USD
View
B+
Retailer 10
-
$1,019 AUD
$716 USD
View
Most Expensive
B
MOH London
LG614315354 · Oct 29
$1,490 AUD
£824 GBP
View
10 more retailers have this diamond
Prices start from $256 AUDSave up to $1,233 AUD

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
$256 AUD