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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG597376840

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

Certificate IGI LG597376840

Diamond specifications and retailer prices

From $334 SGD
£205 GBP
As of October 29, 2026
Save $1,346 SGD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,680 SGD at MOH London · As of October 26, 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 standard cut grade and certified by IGI LG597376840 or 597376840. Listed at 12 retailers as of October 26, 2026, with prices from $334 to $1,680, a $1,346 spread on the same certified stone. MOH London lists it at $1,680. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597376840
Dimensions7.33 × 5.03 × 3.38 mm
L/W Ratio1.46
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
7.33 mm5.03 mm1.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597376840
Side View
Table 64.0%Crown 43.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.2%

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 29
Current: $1,680 SGD|Low: $182 SGD|High: $1,698 SGD|Avg: $571 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 9$182 SGD
Retailer 2$334 SGD
Retailer 4$382 SGD
Retailer 7$383 SGD
Retailer 11$387 SGD
Retailer 6$394 SGD
Retailer 3$580 SGD
Retailer 10$616 SGD
Retailer 5$682 SGD
Retailer 8$756 SGD
MOH London$1,680 SGD

34 data points across 11 retailers

12 retailers$334 SGD to $1,680 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
B+
Retailer 3
-
$334 SGD
£205 GBP
View
B+
Retailer 4
-
$382 SGD
£235 GBP
View
B
Retailer 5
-
$383 SGD
$299 USD
View
B+
Retailer 6
-
$387 SGD
$302 USD
View
B+
Retailer 7
-
$394 SGD
€293 EUR
View
B+
Retailer 8
-
$616 SGD
$481 USD
View
B
Retailer 9
-
$682 SGD
$532 USD
View
B
Retailer 10
-
$736 SGD
£452 GBP
View
B
Retailer 11
-
$756 SGD
$590 USD
View
Most Expensive
B
MOH London
LG597376840 · Oct 26
$1,680 SGD
£1,032 GBP
View
11 more retailers have this diamond
Prices start from $334 SGDSave up to $1,346 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
$334 SGD