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Radiant|Lab Grown|IGI

3.20ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG732516557

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

Certificate IGI LG732516557

Diamond specifications and retailer prices

From £748 GBP
$1,002 USD
As of October 30, 2026
Save £5,895 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,642 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.2ct lab-grown radiant diamond

This 3.2ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG732516557 or 732516557. Listed at 16 retailers as of October 30, 2026, with prices from £748 to £6,642, a £5,895 spread on the same certified stone. Do Amore Diamonds lists it at £6,642. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.20
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732516557
Dimensions10.07 × 7.14 × 5.07 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm7.14 mm3.20 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732516557
Side View
Table 61.0%Crown 39.8°Girdle: ThickPavilion 35.3°Culet: NoneDepth 71.0%

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: £6,642 GBP|Low: £748 GBP|High: £9,419 GBP|Avg: £2,853 GBP|-17.2%
Do Amore Diamonds
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 11£748 GBP
Retailer 3£830 GBP
Retailer 6£1,000 GBP
Retailer 9£1,002 GBP
Retailer 8£1,050 GBP
Retailer 16£1,413 GBP
Retailer 5£1,591 GBP
Retailer 14£1,795 GBP
Retailer 2£1,813 GBP
Retailer 12£1,844 GBP
Retailer 13£2,474 GBP
Retailer 15£3,143 GBP
Retailer 4£4,056 GBP
Retailer 7£5,326 GBP
Retailer 10£6,396 GBP
Do Amore Diamonds£6,642 GBP

33 data points across 16 retailers

16 retailers£748 GBP to £6,642 GBP

A
Cheapest Retailer
-
£748 GBP
$1,002 USD
A
Retailer 2
-
£830 GBP
$1,112 USD
View
A
Retailer 3
-
£1,000 GBP
$1,340 USD
View
A
Retailer 4
-
£1,002 GBP
$1,343 USD
View
A
Retailer 5
-
£1,050 GBP
$1,407 USD
View
Final sale: no returns
A
Retailer 6
-
£1,413 GBP
$1,893 USD
View
Retailer 7
-
£1,591 GBP
€2,030 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£1,795 GBP
$2,405 USD
View
A
Retailer 9
-
£1,813 GBP
$2,429 USD
View
A
Retailer 10
-
£1,844 GBP
$2,471 USD
View
A
Retailer 11
-
£2,474 GBP
$3,315 USD
View
B+
Retailer 12
-
£3,143 GBP
View
Retailer 13
-
£4,056 GBP
$5,435 USD
View
Price last confirmed 9 days ago
Retailer 14
-
£5,326 GBP
A$10,978 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
£6,396 GBP
$8,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-F4940E776 · Oct 31
£6,642 GBP
$8,900 USD
View
15 more retailers have this diamond
Prices start from £748 GBPSave up to £5,895 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
3.20ct Radiant
£748 GBP