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Radiant|Lab Grown|IGI

5.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG648486284

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

Certificate IGI LG648486284

Diamond specifications and retailer prices

From $640 SGD
$501 USD
As of October 30, 2026
Save $4,742 SGD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,382 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.05ct lab-grown radiant diamond

This 5.05ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648486284 or 648486284. Listed at 15 retailers as of October 30, 2026, with prices from $640 to $5,382, a $4,742 spread on the same certified stone. Brilliant Earth lists it at $5,382. 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

5.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648486284
Dimensions11.98 × 8.39 × 5.75 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
11.98 mm8.39 mm5.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648486284
Side View
Table 66.0%Crown 44.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.5%

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 30
Current: $5,382 SGD|Low: $640 SGD|High: $6,507 SGD|Avg: $1,937 SGD|-17.3%
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
Retailer 16
October 30, 2026
Retailer 16$640 SGD
Retailer 12$717 SGD
Retailer 4$795 SGD
Retailer 5$795 SGD
Retailer 15$836 SGD
Retailer 9$972 SGD
Retailer 8$1,203 SGD
Retailer 2$1,322 SGD
Retailer 6$1,355 SGD
Retailer 11$1,361 SGD
Retailer 13$2,051 SGD
Retailer 3$2,090 SGD
Retailer 7$2,544 SGD
Retailer 10$3,322 SGD
Retailer 14$3,765 SGD
Brilliant Earth$5,382 SGD

38 data points across 16 retailers

15 retailers$640 SGD to $5,382 SGD

A
Cheapest Retailer
-
$640 SGD
$501 USD
A
Retailer 2
-
$717 SGD
$561 USD
View
A
Retailer 3
-
$795 SGD
$622 USD
View
Retailer 4
-
$795 SGD
$622 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$836 SGD
£515 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$972 SGD
$760 USD
View
A
Retailer 7
-
$1,322 SGD
£815 GBP
View
A
Retailer 8
-
$1,355 SGD
$1,060 USD
View
Retailer 9
-
$1,361 SGD
€1,014 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,051 SGD
$1,604 USD
View
B+
Retailer 11
-
$2,090 SGD
$1,635 USD
View
B+
Retailer 12
-
$2,544 SGD
$1,990 USD
View
B
Retailer 13
-
$3,322 SGD
£2,046 GBP
View
B
Retailer 14
-
$3,765 SGD
$2,945 USD
View
Most Expensive
B
Brilliant Earth
11435167A · Oct 30
$5,382 SGD
$4,210 USD
View
14 more retailers have this diamond
Prices start from $640 SGDSave up to $4,742 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
5.05ct Radiant
$640 SGD