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Radiant|Lab Grown|IGI

4.11ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG628440621

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

Certificate IGI LG628440621

Diamond specifications and retailer prices

From $2,154 SGD
£1,323 GBP
As of October 30, 2026
Save $16,380 SGD (88%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $18,533 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.11ct lab-grown radiant diamond

This 4.11ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628440621 or 628440621. Listed at 26 retailers as of October 29, 2026, with prices from $2,154 to $18,533, a $16,380 spread on the same certified stone. Brilliant Earth lists it at $18,533. 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

4.11
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628440621
Dimensions11.83 × 7.90 × 5.05 mm
L/W Ratio1.50
Culet sizePointed
Top View
11.83 mm7.90 mm4.11 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628440621
Side View
Table 67.0%Crown 37°Girdle: MediumPavilion 32.5°Culet: NoneDepth 63.9%

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: $18,533 SGD|Low: $2,149 SGD|High: $18,533 SGD|Avg: $5,597 SGD
Brilliant Earth
Retailer 2
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Retailer 23
October 30, 2026
Retailer 2$2,154 SGD
Retailer 14$2,222 SGD
Retailer 8$2,417 SGD
Retailer 10$2,489 SGD
Retailer 23$2,577 SGD
Retailer 19$2,794 SGD
Retailer 7$2,969 SGD
Retailer 5$2,972 SGD
Retailer 13$3,655 SGD
Retailer 21$3,685 SGD
Retailer 22$3,958 SGD
Retailer 3$4,832 SGD
Retailer 11$5,333 SGD
Retailer 17$5,487 SGD
Retailer 15$5,573 SGD
Retailer 20$6,637 SGD
Retailer 6$7,003 SGD
Retailer 18$7,401 SGD
Retailer 4$7,440 SGD
Retailer 16$7,570 SGD
Retailer 12$8,610 SGD
Retailer 9$9,042 SGD
Brilliant Earth$18,533 SGD

25 data points across 23 retailers

26 retailers$2,154 SGD to $18,533 SGD

A
Cheapest Retailer
-
$2,154 SGD
£1,323 GBP
A
Retailer 2
-
$2,222 SGD
$1,734 USD
View
A
Retailer 3
-
$2,417 SGD
$1,886 USD
View
A
Retailer 4
-
$2,489 SGD
$1,942 USD
View
Final sale: no returns
A
Retailer 5
-
$2,577 SGD
$2,011 USD
View
A
Retailer 6
-
$2,794 SGD
$2,180 USD
View
A
Retailer 7
-
$2,969 SGD
HK$18,100 HKD
View
A
Retailer 8
-
$2,972 SGD
$2,319 USD
View
Retailer 9
-
$3,527 SGD
$2,752 USD
View
Price last confirmed 17 days ago
A
Retailer 10
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$3,655 SGD
£2,245 GBP
View
A
Retailer 11
-
$3,685 SGD
$2,875 USD
View
A
Retailer 12
-
$3,958 SGD
$3,088 USD
View
A
Retailer 13
-
$4,832 SGD
$3,770 USD
View
A
Retailer 14
-
$5,333 SGD
£3,276 GBP
View
A
Retailer 15
-
$5,487 SGD
ZAR 69,163 ZAR
View
A
Retailer 16
-
$5,573 SGD
€4,141 EUR
View
A
Retailer 17
-
$6,637 SGD
$5,178 USD
View
A
Retailer 18
-
$7,003 SGD
$5,464 USD
View
A
Retailer 19
-
$7,401 SGD
£4,547 GBP
View
Retailer 20
-
$7,430 SGD
$5,797 USD
View
Price last confirmed 73 days ago
A
Retailer 21
-
$7,440 SGD
$5,805 USD
View
Retailer 22
-
$7,570 SGD
A$9,087 AUD
View
Price last confirmed 7 days ago
B+
Retailer 23
-
$8,610 SGD
View
B+
Retailer 24
-
$9,042 SGD
$7,054 USD
View
Retailer 25
-
$12,482 SGD
A$14,982 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
9886642A · Oct 29
$18,533 SGD
$14,460 USD
View
25 more retailers have this diamond
Prices start from $2,154 SGDSave up to $16,380 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
4.11ct Radiant
$2,154 SGD