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Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG635497403

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

Certificate IGI LG635497403

Diamond specifications and retailer prices

From $267 SGD
$209 USD
As of October 30, 2026
Save $1,296 SGD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,391 SGD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG635497403 or 635497403. Listed at 24 retailers as of October 30, 2026, with a 485% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635497403
Dimensions7.19 × 5.13 × 3.49 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.19 mm5.13 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635497403
Side View
Table 65.0%Crown 43°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 68.0%

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 30
Current: $2,391 SGD|Low: $257 SGD|High: $2,518 SGD|Avg: $819 SGD|+1.6%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 6$267 SGD
Retailer 4$299 SGD
Retailer 9$309 SGD
Retailer 7$331 SGD
Retailer 10$331 SGD
Retailer 3$352 SGD
Retailer 15$447 SGD
Retailer 19$537 SGD
Retailer 16$569 SGD
Retailer 12$611 SGD
Retailer 11$733 SGD
Retailer 2$807 SGD
Retailer 17$810 SGD
Retailer 8$1,065 SGD
Retailer 14$1,197 SGD
Retailer 13$1,335 SGD
Retailer 18$1,547 SGD
Retailer 5$1,563 SGD
Brilliant Earth$2,391 SGD

39 data points across 19 retailers

24 retailers$267 SGD to $1,563 SGD

A
Cheapest Retailer
-
$267 SGD
$209 USD
A
Retailer 2
-
$299 SGD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$309 SGD
$242 USD
View
A
Retailer 4
-
$331 SGD
$259 USD
View
A
Retailer 5
-
$331 SGD
$259 USD
View
Retailer 6
-
$352 SGD
£217 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$447 SGD
$350 USD
View
Retailer 8
-
$537 SGD
€400 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
$569 SGD
ZAR 7,193 ZAR
View
A
Retailer 10
-
$611 SGD
£377 GBP
View
A
Retailer 11
-
$674 SGD
$528 USD
View
A
Retailer 12
-
$733 SGD
$573 USD
View
A
Retailer 13
-
$807 SGD
$631 USD
View
A
Retailer 14
-
$810 SGD
A$975 AUD
View
A
Retailer 15
-
$822 SGD
$643 USD
View
B+
Retailer 16
-
$1,065 SGD
$833 USD
View
B+
Retailer 17
-
$1,131 SGD
$885 USD
View
B+
Retailer 18
-
$1,133 SGD
$886 USD
View
B+
Retailer 19
-
$1,197 SGD
A$1,441 AUD
View
B+
Retailer 20
-
$1,205 SGD
£742 GBP
View
B+
Retailer 21
-
$1,335 SGD
£822 GBP
View
Retailer 22
-
$1,547 SGD
$1,210 USD
View
Price last confirmed 13 days ago
B
Retailer 23
-
$1,563 SGD
$1,222 USD
View
Most Expensive
Brilliant Earth
10800488A · Oct 15
$2,391 SGD
$1,870 USD
View
Price last confirmed 16 days ago
23 more retailers have this diamond
Prices start from $267 SGDSave up to $1,296 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
$267 SGD