Radiant|Lab Grown|IGI

1.13ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG840636156

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

Certificate IGI LG840636156

Diamond specifications and retailer prices

From $141 USD
As of October 30, 2026
Save $678 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $819 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.13ct lab-grown radiant diamond

This 1.13ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG840636156 or 840636156. Listed at 9 retailers as of October 29, 2026, with prices from $141 to $819, a $678 spread on the same certified stone. MOH London lists it at $819. 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

1.13
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840636156
Dimensions7.43 × 5.13 × 3.45 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.13 mm1.13 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840636156
Side View
Table 65.0%Crown 45.2°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $819 USD|Low: $137 USD|High: $837 USD|Avg: $458 USD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$141 USD
Retailer 4$163 USD
Retailer 3$209 USD
Retailer 2$310 USD
Retailer 8$499 USD
Retailer 7$561 USD
Retailer 5$592 USD
Retailer 9$715 USD
MOH London$819 USD

27 data points across 9 retailers

9 retailers$141 USD to $819 USD

A
Cheapest Retailer
-
$141 USD
A
Retailer 2
-
$163 USD
View
A
Retailer 3
-
$209 USD
£165 GBP
View
A
Retailer 4
-
$310 USD
€295 EUR
View
B+
Retailer 5
-
$499 USD
View
B
Retailer 6
-
$561 USD
View
B
Retailer 7
-
$592 USD
View
Retailer 8
-
$715 USD
SGD 966 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG840636156 · Oct 29
$819 USD
£645 GBP
View
8 more retailers have this diamond
Prices start from $141 USDSave up to $678 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
1.13ct Radiant
$141 USD