Radiant|Lab Grown|IGI

1.60ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG821628174

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

Certificate IGI LG821628174

Diamond specifications and retailer prices

From $246 AUD
$173 USD
As of October 27, 2026
Save $1,189 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,435 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct lab-grown radiant diamond

This 1.6ct 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 very-good cut grade and certified by IGI LG821628174 or 821628174. Listed at 9 retailers as of October 27, 2026, with prices from $246 to $1,435, a $1,189 spread on the same certified stone. MOH London lists it at $1,435. 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

1.60
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821628174
Dimensions8.10 × 5.76 × 3.89 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.10 mm5.76 mm1.60 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821628174
Side View
Table 65.0%Crown 44.4°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.5%

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 27
Current: $1,435 AUD|Low: $236 AUD|High: $1,450 AUD|Avg: $791 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$246 AUD
Retailer 8$286 AUD
Retailer 2$393 AUD
Retailer 3$526 AUD
Retailer 9$789 AUD
Retailer 6$982 AUD
Retailer 4$1,038 AUD
Retailer 7$1,242 AUD
MOH London$1,435 AUD

30 data points across 9 retailers

9 retailers$246 AUD to $1,435 AUD

A
Cheapest Retailer
-
$246 AUD
$173 USD
A
Retailer 2
-
$286 AUD
$201 USD
View
A
Retailer 3
-
$393 AUD
£218 GBP
View
A
Retailer 4
-
$526 AUD
€352 EUR
View
B+
Retailer 5
-
$789 AUD
$554 USD
View
B
Retailer 6
-
$982 AUD
$690 USD
View
B
Retailer 7
-
$1,038 AUD
$729 USD
View
Retailer 8
-
$1,242 AUD
SGD 1,179 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG821628174 · Oct 29
$1,435 AUD
£794 GBP
View
8 more retailers have this diamond
Prices start from $246 AUDSave up to $1,189 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
1.60ct Radiant
$246 AUD