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Radiant|Lab Grown|IGI

3.20ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG790681919

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

Certificate IGI LG790681919

Diamond specifications and retailer prices

From £801 GBP
$1,073 USD
As of October 30, 2026
Save £6,312 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,113 GBP at Do Amore Diamonds · As of October 29, 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 LG790681919 or 790681919. Listed at 22 retailers as of October 29, 2026, with prices from £801 to £7,113, a £6,312 spread on the same certified stone. Do Amore Diamonds lists it at £7,113. 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 angle40.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790681919
Dimensions10.77 × 7.54 × 4.77 mm
L/W Ratio1.43
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
10.77 mm7.54 mm3.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790681919
Side View
Table 68.0%Crown 40.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £7,113 GBP|Low: £896 GBP|High: £7,113 GBP|Avg: £2,594 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
October 30, 2026
Retailer 8£896 GBP
Retailer 3£929 GBP
Retailer 13£1,060 GBP
Retailer 6£1,183 GBP
Retailer 9£1,479 GBP
Retailer 2£1,487 GBP
Retailer 18£1,809 GBP
Retailer 16£1,831 GBP
Retailer 4£1,922 GBP
Retailer 15£2,314 GBP
Retailer 12£2,381 GBP
Retailer 5£2,480 GBP
Retailer 19£2,690 GBP
Retailer 14£3,298 GBP
Retailer 10£3,585 GBP
Retailer 7£3,641 GBP
Retailer 17£4,056 GBP
Retailer 11£5,326 GBP
Do Amore Diamonds£7,113 GBP

44 data points across 19 retailers

22 retailers£801 GBP to £7,113 GBP

A
Cheapest Retailer
-
£801 GBP
$1,073 USD
A
Retailer 2
-
£871 GBP
$1,167 USD
View
A
Retailer 3
-
£896 GBP
$1,201 USD
View
Final sale: no returns
A
Retailer 4
-
£929 GBP
$1,245 USD
View
A
Retailer 5
-
£1,060 GBP
$1,420 USD
View
A
Retailer 6
-
£1,183 GBP
$1,585 USD
View
A
Retailer 7
-
£1,479 GBP
$1,982 USD
View
A
Retailer 8
-
£1,487 GBP
View
A
Retailer 9
-
£1,809 GBP
$2,424 USD
View
A
Retailer 10
-
£1,831 GBP
$2,453 USD
View
A
Retailer 11
-
£1,922 GBP
$2,575 USD
View
Retailer 12
-
£2,314 GBP
A$4,769 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
£2,381 GBP
ZAR 51,532 ZAR
View
Retailer 14
-
£2,480 GBP
View
Price last confirmed 14 days ago
A
Retailer 15
-
£2,690 GBP
$3,604 USD
View
B+
Retailer 16
-
£3,298 GBP
View
B+
Retailer 17
-
£3,585 GBP
SGD 6,492 SGD
View
B+
Retailer 18
-
£3,641 GBP
$4,879 USD
View
Retailer 19
-
£4,056 GBP
$5,435 USD
View
Price last confirmed 9 days ago
Retailer 20
-
£5,326 GBP
A$10,978 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
£6,030 GBP
$8,080 USD
View
Most Expensive
B
Do Amore Diamonds
27-41DEBF9B5 · Oct 29
£7,113 GBP
$9,530 USD
View
21 more retailers have this diamond
Prices start from £801 GBPSave up to £6,312 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
£801 GBP