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Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG762511569

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

Certificate IGI LG762511569

Diamond specifications and retailer prices

From £792 GBP
$1,061 USD
As of October 30, 2026
Save £6,239 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,030 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.11ct lab-grown radiant diamond

This 3.11ct 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 LG762511569 or 762511569. Listed at 22 retailers as of October 30, 2026, with prices from £792 to £7,030, a £6,239 spread on the same certified stone. Do Amore Diamonds lists it at £7,030. 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

3.11
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762511569
Dimensions10.41 × 7.29 × 4.91 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
10.41 mm7.29 mm3.11 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762511569
Side View
Table 65.0%Crown 42.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 67.4%

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: £7,030 GBP|Low: £792 GBP|High: £7,030 GBP|Avg: £2,401 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 21£792 GBP
Retailer 20£862 GBP
Retailer 10£887 GBP
Retailer 4£919 GBP
Retailer 15£1,049 GBP
Retailer 7£1,171 GBP
Retailer 2£1,459 GBP
Retailer 11£1,464 GBP
Retailer 8£1,737 GBP
Retailer 19£1,843 GBP
Retailer 5£1,901 GBP
Retailer 16£2,288 GBP
Retailer 13£2,355 GBP
Retailer 6£2,798 GBP
Retailer 3£2,848 GBP
Retailer 17£3,262 GBP
Retailer 12£3,551 GBP
Retailer 9£3,602 GBP
Retailer 18£4,023 GBP
Retailer 14£5,176 GBP
Do Amore Diamonds£7,030 GBP

42 data points across 21 retailers

22 retailers£792 GBP to £7,030 GBP

A
Cheapest Retailer
-
£792 GBP
$1,061 USD
A
Retailer 2
-
£862 GBP
$1,155 USD
View
A
Retailer 3
-
£887 GBP
$1,189 USD
View
Final sale: no returns
A
Retailer 4
-
£919 GBP
$1,231 USD
View
A
Retailer 5
-
£1,049 GBP
$1,405 USD
View
A
Retailer 6
-
£1,171 GBP
$1,569 USD
View
A
Retailer 7
-
£1,459 GBP
View
A
Retailer 8
-
£1,464 GBP
$1,962 USD
View
A
Retailer 9
-
£1,737 GBP
$2,328 USD
View
A
Retailer 10
-
£1,843 GBP
$2,469 USD
View
A
Retailer 11
-
£1,901 GBP
$2,547 USD
View
A
Retailer 12
-
£2,288 GBP
A$4,717 AUD
View
A
Retailer 13
-
£2,355 GBP
ZAR 50,974 ZAR
View
B+
Retailer 14
-
£2,798 GBP
View
B+
Retailer 15
-
£2,848 GBP
$3,816 USD
View
B+
Retailer 16
-
£3,262 GBP
View
B+
Retailer 17
-
£3,551 GBP
SGD 6,429 SGD
View
B+
Retailer 18
-
£3,602 GBP
$4,827 USD
View
Retailer 19
-
£4,023 GBP
$5,390 USD
View
Price last confirmed 10 days ago
Retailer 20
-
£5,176 GBP
A$10,670 AUD
View
Price last confirmed 23 days ago
B
Retailer 21
-
£6,299 GBP
$8,440 USD
View
Most Expensive
B
Do Amore Diamonds
27-B25800B40 · Oct 31
£7,030 GBP
$9,420 USD
View
21 more retailers have this diamond
Prices start from £792 GBPSave up to £6,239 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
3.11ct Radiant
£792 GBP