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Radiant|Lab Grown|IGI

1.09ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG634405513

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

Certificate IGI LG634405513

Diamond specifications and retailer prices

From $278 SGD
$217 USD
As of October 27, 2026
Save $1,114 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,392 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG634405513 or 634405513. Listed at 14 retailers as of October 27, 2026, with prices from $278 to $1,392, a $1,114 spread on the same certified stone. MOH London lists it at $1,392. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634405513
Dimensions6.62 × 5.03 × 3.63 mm
L/W Ratio1.32
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
6.62 mm5.03 mm1.09 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634405513
Side View
Table 65.0%Crown 40.8°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 72.2%

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 27
Current: $1,392 SGD|Low: $177 SGD|High: $1,402 SGD|Avg: $708 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$177 SGD
Retailer 9$310 SGD
Retailer 7$410 SGD
Retailer 6$592 SGD
Retailer 2$641 SGD
Retailer 8$650 SGD
Retailer 5$1,110 SGD
Retailer 3$1,115 SGD
Retailer 4$1,128 SGD
MOH London$1,392 SGD

41 data points across 10 retailers

14 retailers$278 SGD to $1,392 SGD

A
Cheapest Retailer
-
$278 SGD
$217 USD
A
Retailer 2
-
$310 SGD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$323 SGD
$252 USD
View
A
Retailer 4
-
$346 SGD
$270 USD
View
A
Retailer 5
-
$346 SGD
$270 USD
View
A
Retailer 6
-
$410 SGD
$320 USD
View
B+
Retailer 7
-
$592 SGD
$462 USD
View
B+
Retailer 8
-
$641 SGD
£394 GBP
View
B+
Retailer 9
-
$650 SGD
$507 USD
View
B
Retailer 10
-
$722 SGD
HK$4,400 HKD
View
B
Retailer 11
-
$1,110 SGD
$866 USD
View
B
Retailer 12
-
$1,115 SGD
$870 USD
View
B
Retailer 13
-
$1,128 SGD
$880 USD
View
Most Expensive
B
MOH London
LG634405513 · Oct 29
$1,392 SGD
£855 GBP
View
13 more retailers have this diamond
Prices start from $278 SGDSave up to $1,114 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
1.09ct Radiant
$278 SGD