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Radiant|Lab Grown|IGI

1.35ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG728540141

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

Certificate IGI LG728540141

Diamond specifications and retailer prices

From $387 SGD
$303 USD
As of October 30, 2026
Save $2,515 SGD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,902 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728540141 or 728540141. Listed at 22 retailers as of October 29, 2026, with prices from $387 to $2,902, a $2,515 spread on the same certified stone. Brilliant Earth lists it at $2,902. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728540141
Dimensions7.81 × 5.46 × 3.65 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.46 mm1.35 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728540141
Side View
Table 66.0%Crown 44.5°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 66.8%

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: $2,902 SGD|Low: $372 SGD|High: $2,902 SGD|Avg: $1,100 SGD|+1.3%
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
October 31, 2026
Retailer 3$387 SGD
Retailer 7$433 SGD
Retailer 4$481 SGD
Retailer 15$646 SGD
Retailer 11$678 SGD
Retailer 6$803 SGD
Retailer 2$813 SGD
Retailer 10$826 SGD
Retailer 8$854 SGD
Retailer 9$1,172 SGD
Retailer 14$1,477 SGD
Retailer 5$1,563 SGD
Retailer 12$1,929 SGD
Retailer 13$2,378 SGD
Brilliant Earth$2,902 SGD

45 data points across 15 retailers

22 retailers$387 SGD to $2,902 SGD

A
Cheapest Retailer
-
$387 SGD
$303 USD
A
Retailer 2
-
$433 SGD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$450 SGD
$352 USD
View
A
Retailer 4
-
$481 SGD
$376 USD
View
A
Retailer 5
-
$481 SGD
$376 USD
View
A
Retailer 6
-
$646 SGD
$505 USD
View
A
Retailer 7
-
$678 SGD
$530 USD
View
A
Retailer 8
-
$803 SGD
$628 USD
View
A
Retailer 9
-
$813 SGD
€606 EUR
View
A
Retailer 10
-
$826 SGD
ZAR 10,434 ZAR
View
A
Retailer 11
-
$854 SGD
£526 GBP
View
B+
Retailer 12
-
$1,172 SGD
A$1,411 AUD
View
B+
Retailer 13
-
$1,243 SGD
$972 USD
View
B+
Retailer 14
-
$1,290 SGD
$1,009 USD
View
B+
Retailer 15
-
$1,477 SGD
$1,155 USD
View
B+
Retailer 16
-
$1,544 SGD
$1,208 USD
View
Retailer 17
-
$1,563 SGD
A$1,881 AUD
View
Price last confirmed 29 days ago
B+
Retailer 18
-
$1,605 SGD
$1,256 USD
View
B+
Retailer 19
-
$1,929 SGD
£1,188 GBP
View
B
Retailer 20
-
$1,947 SGD
$1,523 USD
View
Retailer 21
-
$2,378 SGD
$1,860 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
15548548A · Oct 29
$2,902 SGD
$2,270 USD
View
21 more retailers have this diamond
Prices start from $387 SGDSave up to $2,515 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
1.35ct Radiant
$387 SGD