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Radiant|Lab Grown|IGI

5.05ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG665415778

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

Certificate IGI LG665415778

Diamond specifications and retailer prices

From $10,087 SGD
$7,890 USD
As of October 28, 2026
Save $38,297 SGD (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $48,384 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665415778 or 665415778. Listed at 24 retailers as of October 28, 2026, with prices from $10,087 to $48,384, a $38,297 spread on the same certified stone. Taylor and Hart lists it at $48,384. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415778
Dimensions12.05 × 8.41 × 5.70 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
12.05 mm8.41 mm5.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415778
Side View
Table 65.0%Crown 43.7°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $16,657 SGD|Low: $10,087 SGD|High: $79,146 SGD|Avg: $23,739 SGD|-4.7%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 14$10,087 SGD
Retailer 2$11,135 SGD
Retailer 5$13,105 SGD
Retailer 9$14,112 SGD
Retailer 4$14,446 SGD
Retailer 7$14,617 SGD
Retailer 16$14,864 SGD
Retailer 6$15,122 SGD
Retailer 18$15,989 SGD
Retailer 1$16,657 SGD
Retailer 11$19,214 SGD
Retailer 15$21,848 SGD
Retailer 8$23,126 SGD
Retailer 13$25,480 SGD
Retailer 10$26,912 SGD
Retailer 12$32,783 SGD
Retailer 17$33,385 SGD
Taylor and Hart$48,384 SGD
Retailer 3$78,634 SGD

26 data points across 19 retailers

24 retailers$10,087 SGD to $48,384 SGD

A
Cheapest Retailer
-
$10,087 SGD
$7,890 USD
A
Retailer 2
-
$11,135 SGD
$8,710 USD
View
A
Retailer 3
-
$12,601 SGD
$9,857 USD
View
A
Retailer 4
-
$13,105 SGD
$10,251 USD
View
A
Retailer 5
-
$14,112 SGD
$11,039 USD
View
Final sale: no returns
A
Retailer 6
-
$14,446 SGD
$11,300 USD
View
A
Retailer 7
-
$14,617 SGD
$11,434 USD
View
A
Retailer 8
-
$14,864 SGD
$11,627 USD
View
Retailer 9
-
$14,957 SGD
$11,700 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$15,122 SGD
$11,829 USD
View
A
Retailer 11
-
$15,989 SGD
$12,507 USD
View
Retailer 12
-
$16,118 SGD
$12,608 USD
View
Price last confirmed 14 days ago
A
Retailer 13
-
$16,657 SGD
£10,259 GBP
View
A
Retailer 14
-
$19,214 SGD
£11,834 GBP
View
A
Retailer 15
-
$21,848 SGD
$17,090 USD
View
A
Retailer 16
-
$23,126 SGD
£14,244 GBP
View
B+
Retailer 17
-
$25,480 SGD
£15,694 GBP
View
B+
Retailer 18
-
$26,912 SGD
$21,051 USD
View
B+
Retailer 19
-
$27,819 SGD
$21,761 USD
View
B+
Retailer 20
-
$32,783 SGD
ZAR 414,282 ZAR
View
Retailer 21
-
$33,385 SGD
A$40,176 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Taylor and Hart
ZVW1TLP · Oct 30
$48,384 SGD
$37,847 USD
View
21 more retailers have this diamond
Prices start from $10,087 SGDSave up to $38,297 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
$10,087 SGD