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Radiant|Lab Grown|IGI

1.15ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG640446935

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

Certificate IGI LG640446935

Diamond specifications and retailer prices

From $313 SGD
$245 USD
As of October 30, 2026
Save $2,129 SGD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,442 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.15ct lab-grown radiant diamond

This 1.15ct 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 LG640446935 or 640446935. Listed at 21 retailers as of October 30, 2026, with prices from $313 to $2,442, a $2,129 spread on the same certified stone. Brilliant Earth lists it at $2,442. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640446935
Dimensions7.88 × 4.96 × 3.29 mm
L/W Ratio1.59
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.88 mm4.96 mm1.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640446935
Side View
Table 63.0%Crown 40.3°Girdle: MediumPavilion 32.6°Culet: NoneDepth 66.3%

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: $2,442 SGD|Low: $300 SGD|High: $2,825 SGD|Avg: $917 SGD|-13.6%
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
October 31, 2026
Retailer 3$313 SGD
Retailer 8$350 SGD
Retailer 6$363 SGD
Retailer 4$389 SGD
Retailer 7$389 SGD
Retailer 16$543 SGD
Retailer 2$640 SGD
Retailer 12$667 SGD
Retailer 9$737 SGD
Retailer 13$947 SGD
Retailer 14$1,015 SGD
Retailer 5$1,249 SGD
Retailer 10$1,289 SGD
Retailer 11$1,565 SGD
Retailer 15$1,707 SGD
Brilliant Earth$2,442 SGD

44 data points across 16 retailers

21 retailers$313 SGD to $2,442 SGD

A
Cheapest Retailer
-
$313 SGD
$245 USD
A
Retailer 2
-
$350 SGD
$274 USD
View
Final sale: no returns
A
Retailer 3
-
$363 SGD
$284 USD
View
A
Retailer 4
-
$389 SGD
$304 USD
View
A
Retailer 5
-
$389 SGD
$304 USD
View
A
Retailer 6
-
$543 SGD
$425 USD
View
A
Retailer 7
-
$640 SGD
€477 EUR
View
A
Retailer 8
-
$667 SGD
ZAR 8,433 ZAR
View
A
Retailer 9
-
$733 SGD
$573 USD
View
A
Retailer 10
-
$737 SGD
£454 GBP
View
B+
Retailer 11
-
$947 SGD
A$1,140 AUD
View
B+
Retailer 12
-
$1,015 SGD
$794 USD
View
B+
Retailer 13
-
$1,249 SGD
$977 USD
View
Retailer 14
-
$1,253 SGD
$980 USD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
$1,289 SGD
A$1,551 AUD
View
B+
Retailer 16
-
$1,315 SGD
$1,029 USD
View
B+
Retailer 17
-
$1,410 SGD
$1,103 USD
View
B+
Retailer 18
-
$1,565 SGD
£964 GBP
View
Retailer 19
-
$1,707 SGD
$1,335 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
$1,710 SGD
$1,337 USD
View
Most Expensive
B
Brilliant Earth
14080924A · Oct 30
$2,442 SGD
$1,910 USD
View
20 more retailers have this diamond
Prices start from $313 SGDSave up to $2,129 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
1.15ct Radiant
$313 SGD