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Radiant|Lab Grown|IGI

3.20ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG768631132

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

Certificate IGI LG768631132

Diamond specifications and retailer prices

From £842 GBP
$1,128 USD
As of October 30, 2026
Save £6,636 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,478 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 top-tier cut grade and certified by IGI LG768631132 or 768631132. Listed at 17 retailers as of October 30, 2026, with prices from £842 to £7,478, a £6,636 spread on the same certified stone. Do Amore Diamonds lists it at £7,478. 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

3.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631132
Dimensions10.62 × 10.62 × 7.15 mm
L/W Ratio1.00
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
10.62 mm10.62 mm3.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631132
Side View
Table 63.0%Crown 43.4°Girdle: ThickPavilion 32.2°Culet: NoneDepth 65.9%

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: £7,478 GBP|Low: £842 GBP|High: £9,419 GBP|Avg: £2,992 GBP|-6.8%
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
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Retailer 17
October 31, 2026
Retailer 12£842 GBP
Retailer 3£946 GBP
Retailer 9£1,050 GBP
Retailer 10£1,104 GBP
Retailer 7£1,134 GBP
Retailer 17£1,602 GBP
Retailer 4£1,808 GBP
Retailer 13£1,866 GBP
Retailer 2£1,924 GBP
Retailer 16£2,020 GBP
Retailer 5£2,562 GBP
Retailer 15£2,754 GBP
Retailer 14£3,481 GBP
Retailer 6£4,056 GBP
Retailer 8£5,326 GBP
Retailer 11£7,060 GBP
Do Amore Diamonds£7,478 GBP

33 data points across 17 retailers

17 retailers£842 GBP to £7,478 GBP

A
Cheapest Retailer
-
£842 GBP
$1,128 USD
A
Retailer 2
-
£946 GBP
$1,267 USD
View
A
Retailer 3
-
£1,050 GBP
$1,407 USD
View
Final sale: no returns
A
Retailer 4
-
£1,104 GBP
$1,479 USD
View
A
Retailer 5
-
£1,134 GBP
$1,520 USD
View
A
Retailer 6
-
£1,602 GBP
$2,146 USD
View
Retailer 7
-
£1,808 GBP
€2,307 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£1,866 GBP
$2,500 USD
View
A
Retailer 9
-
£1,924 GBP
$2,578 USD
View
A
Retailer 10
-
£2,020 GBP
$2,707 USD
View
Retailer 11
-
£2,562 GBP
A$5,281 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£2,754 GBP
$3,690 USD
View
B+
Retailer 13
-
£3,481 GBP
View
Retailer 14
-
£4,056 GBP
$5,435 USD
View
Price last confirmed 9 days ago
Retailer 15
-
£5,326 GBP
A$10,978 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
£7,060 GBP
$9,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-002A2AAAB · Oct 31
£7,478 GBP
$10,020 USD
View
16 more retailers have this diamond
Prices start from £842 GBPSave up to £6,636 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
£842 GBP