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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG644487427

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

Certificate IGI LG644487427

Diamond specifications and retailer prices

From $201 SGD
$157 USD
As of October 25, 2026
Save $1,485 SGD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,686 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG644487427 or 644487427. Listed at 15 retailers as of October 25, 2026, with prices from $201 to $1,686, a $1,485 spread on the same certified stone. MOH London lists it at $1,686. 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

1.05
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644487427
Dimensions7.40 × 4.89 × 3.34 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm4.89 mm1.05 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644487427
Side View
Table 65.0%Crown 45.1°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 68.3%

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 25
Current: $1,686 SGD|Low: $188 SGD|High: $1,698 SGD|Avg: $511 SGD|+0.5%
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 29, 2026
Retailer 3$188 SGD
Retailer 4$199 SGD
Retailer 8$201 SGD
Retailer 12$262 SGD
Retailer 2$334 SGD
Retailer 7$382 SGD
Retailer 13$383 SGD
Retailer 6$387 SGD
Retailer 11$394 SGD
Retailer 10$596 SGD
Retailer 5$616 SGD
Retailer 9$682 SGD
Retailer 14$756 SGD
MOH London$1,686 SGD

35 data points across 14 retailers

15 retailers$201 SGD to $1,686 SGD

A
Retailer 1
-
$188 SGD
$147 USD
Price last confirmed 32 days ago
A
Retailer 2
-
$199 SGD
$155 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$201 SGD
$157 USD
View
A
Retailer 4
-
$262 SGD
£161 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
$334 SGD
£205 GBP
View
A
Retailer 6
-
$382 SGD
£235 GBP
View
B+
Retailer 7
-
$383 SGD
$299 USD
View
B+
Retailer 8
-
$387 SGD
$302 USD
View
B+
Retailer 9
-
$394 SGD
€293 EUR
View
B+
Retailer 10
-
$596 SGD
$465 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$616 SGD
$481 USD
View
B
Retailer 12
-
$682 SGD
$532 USD
View
B+
Retailer 13
-
$736 SGD
£452 GBP
View
B
Retailer 14
-
$756 SGD
$590 USD
View
Most Expensive
B
MOH London
LG644487427 · Oct 29
$1,686 SGD
£1,036 GBP
View
14 more retailers have this diamond
Prices start from $201 SGDSave up to $1,485 SGD

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
1.05ct Radiant
$201 SGD