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Radiant|Lab Grown|IGI

1.09ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG645435170

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

Certificate IGI LG645435170

Diamond specifications and retailer prices

From $279 SGD
$218 USD
As of October 27, 2026
Save $1,323 SGD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,603 SGD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG645435170 or 645435170. Listed at 17 retailers as of October 27, 2026, with prices from $279 to $1,603, a $1,323 spread on the same certified stone. Reve Diamonds lists it at $1,603. 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

1.09
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645435170
Dimensions7.28 × 4.98 × 3.42 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm4.98 mm1.09 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645435170
Side View
Table 68.0%Crown 40.2°Girdle: MediumPavilion 31.9°Culet: NoneDepth 68.7%

Caratlytics Score

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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: $643 SGD|Low: $300 SGD|High: $1,603 SGD|Avg: $880 SGD|+9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 29, 2026
Retailer 4$313 SGD
Retailer 12$484 SGD
Retailer 11$592 SGD
Retailer 6$595 SGD
Retailer 1$643 SGD
Retailer 2$650 SGD
Retailer 7$846 SGD
Retailer 10$1,113 SGD
Retailer 8$1,116 SGD
Retailer 3$1,180 SGD
Retailer 5$1,395 SGD
Retailer 9$1,448 SGD
Reve Diamonds$1,603 SGD

43 data points across 13 retailers

17 retailers$279 SGD to $1,603 SGD

A
Cheapest Retailer
-
$279 SGD
$218 USD
A
Retailer 2
-
$313 SGD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$324 SGD
$253 USD
View
A
Retailer 4
-
$346 SGD
$270 USD
View
A
Retailer 5
-
$346 SGD
$270 USD
View
A
Retailer 6
-
$484 SGD
$378 USD
View
B+
Retailer 7
-
$592 SGD
$462 USD
View
B+
Retailer 8
-
$595 SGD
ZAR 7,495 ZAR
View
B+
Retailer 9
-
$643 SGD
£395 GBP
View
B+
Retailer 10
-
$650 SGD
$507 USD
View
B+
Retailer 11
-
$846 SGD
A$1,015 AUD
View
B
Retailer 12
-
$1,113 SGD
$868 USD
View
B
Retailer 13
-
$1,116 SGD
$871 USD
View
B
Retailer 14
-
$1,180 SGD
$921 USD
View
B
Retailer 15
-
$1,395 SGD
£857 GBP
View
B
Retailer 16
-
$1,448 SGD
$1,130 USD
View
Most Expensive
B
Reve Diamonds
10859158B · Oct 28
$1,603 SGD
$1,250 USD
View
16 more retailers have this diamond
Prices start from $279 SGDSave up to $1,323 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
$279 SGD