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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 $173 USD
As of October 27, 2026
Save $835 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,008 USD 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 $173 to $1,008, a $835 spread on the same certified stone. MOH London lists it at $1,008. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,008 USD|Low: $166 USD|High: $1,019 USD|Avg: $556 USD|-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$173 USD
Retailer 8$201 USD
Retailer 2$276 USD
Retailer 3$370 USD
Retailer 9$554 USD
Retailer 6$690 USD
Retailer 4$729 USD
Retailer 7$872 USD
MOH London$1,008 USD

30 data points across 9 retailers

9 retailers$173 USD to $1,008 USD

A
Cheapest Retailer
-
$173 USD
A
Retailer 2
-
$201 USD
View
A
Retailer 3
-
$276 USD
£218 GBP
View
A
Retailer 4
-
$370 USD
€352 EUR
View
B+
Retailer 5
-
$554 USD
View
B
Retailer 6
-
$690 USD
View
B
Retailer 7
-
$729 USD
View
B
Retailer 8
-
$872 USD
SGD 1,179 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG821628174 · Oct 29
$1,008 USD
£794 GBP
View
8 more retailers have this diamond
Prices start from $173 USDSave up to $835 USD

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
$173 USD