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Radiant|Lab Grown|IGI

4.10ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG739532985

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

Certificate IGI LG739532985

Diamond specifications and retailer prices

From £2,620 GBP
$3,510 USD
As of October 30, 2026
Save £13,287 GBP (84%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £15,907 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.1ct lab-grown radiant diamond

This 4.1ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739532985 or 739532985. Listed at 30 retailers as of October 30, 2026, with prices from £2,620 to £15,907, a £13,287 spread on the same certified stone. With Clarity lists it at £15,907. 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

4.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739532985
Dimensions11.13 × 8.06 × 5.40 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.13 mm8.06 mm4.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739532985
Side View
Table 63.0%Crown 41.3°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.0%

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: £10,587 GBP|Low: £2,620 GBP|High: £16,368 GBP|Avg: £6,527 GBP|-0.5%
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
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 1, 2026
Retailer 2£2,620 GBP
Retailer 9£2,934 GBP
Retailer 20£2,964 GBP
Retailer 17£3,153 GBP
Retailer 4£3,764 GBP
Retailer 15£3,797 GBP
Retailer 12£4,029 GBP
Retailer 19£4,109 GBP
Retailer 18£4,203 GBP
Retailer 7£4,652 GBP
Retailer 13£4,857 GBP
Retailer 16£4,913 GBP
Retailer 14£5,538 GBP
Retailer 8£6,468 GBP
Retailer 10£6,852 GBP
Retailer 11£6,903 GBP
Retailer 21£7,629 GBP
Retailer 3£8,435 GBP
Retailer 1£10,587 GBP
Retailer 6£10,694 GBP
Retailer 5£10,891 GBP
With Clarity£15,907 GBP

35 data points across 22 retailers

30 retailers£2,620 GBP to £15,907 GBP

A
Cheapest Retailer
-
£2,620 GBP
$3,510 USD
Retailer 2
-
£2,743 GBP
$3,675 USD
View
Price last confirmed 23 days ago
Retailer 3
-
£2,743 GBP
$3,675 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
£2,934 GBP
$3,931 USD
View
Final sale: no returns
A
Retailer 5
-
£2,964 GBP
$3,971 USD
View
Retailer 6
-
£2,985 GBP
$3,999 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£3,138 GBP
$4,205 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
£3,153 GBP
$4,225 USD
View
Retailer 9
-
£3,182 GBP
$4,263 USD
View
Price last confirmed 29 days ago
A
Retailer 10
-
£3,764 GBP
HK$39,400 HKD
View
A
Retailer 11
-
£3,797 GBP
$5,088 USD
View
Retailer 12
-
£3,976 GBP
$5,328 USD
View
Price last confirmed 21 days ago
Retailer 13
-
£3,976 GBP
$5,328 USD
View
Price last confirmed 31 days ago
A
Retailer 14
-
£4,029 GBP
View
A
Retailer 15
-
£4,109 GBP
$5,506 USD
View
A
Retailer 16
-
£4,203 GBP
$5,632 USD
View
A
Retailer 17
-
£4,652 GBP
View
B+
Retailer 18
-
£4,857 GBP
$6,508 USD
View
A
Retailer 19
-
£4,913 GBP
€6,270 EUR
View
Retailer 20
-
£5,538 GBP
$7,420 USD
View
Price last confirmed 34 days ago
B+
Retailer 21
-
£6,468 GBP
ZAR 139,998 ZAR
View
B+
Retailer 22
-
£6,852 GBP
View
Retailer 23
-
£6,903 GBP
A$14,230 AUD
View
Price last confirmed 9 days ago
B+
Retailer 24
-
£7,629 GBP
$10,222 USD
View
B+
Retailer 25
-
£8,435 GBP
$11,301 USD
View
B
Retailer 26
-
£8,482 GBP
$11,365 USD
View
B+
Retailer 27
-
£10,587 GBP
A$21,824 AUD
View
B
Retailer 28
-
£10,694 GBP
$14,329 USD
View
B
Retailer 29
-
£10,891 GBP
SGD 19,720 SGD
View
Most Expensive
B
With Clarity
739532985 · Oct 31
£15,907 GBP
$21,313 USD
View
29 more retailers have this diamond
Prices start from £2,620 GBPSave up to £13,287 GBP

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
4.10ct Radiant
£2,620 GBP