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Radiant|Lab Grown|IGI

3.17ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG744514209

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

Certificate IGI LG744514209

Diamond specifications and retailer prices

From £741 GBP
$993 USD
As of October 30, 2026
Save £5,842 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,583 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.17ct lab-grown radiant diamond

This 3.17ct 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 LG744514209 or 744514209. Listed at 17 retailers as of October 30, 2026, with prices from £741 to £6,583, a £5,842 spread on the same certified stone. Do Amore Diamonds lists it at £6,583. 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

3.17
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514209
Dimensions10.13 × 10.13 × 7.26 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
10.13 mm10.13 mm3.17 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514209
Side View
Table 67.0%Crown 39.7°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 70.0%

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: £6,583 GBP|Low: £741 GBP|High: £7,948 GBP|Avg: £2,870 GBP|-17.2%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 30, 2026
Retailer 10£741 GBP
Retailer 17£937 GBP
Retailer 2£994 GBP
Retailer 9£1,040 GBP
Retailer 6£1,123 GBP
Retailer 15£1,587 GBP
Retailer 14£1,779 GBP
Retailer 3£1,791 GBP
Retailer 11£1,812 GBP
Retailer 16£1,969 GBP
Retailer 13£2,453 GBP
Retailer 4£2,538 GBP
Retailer 12£3,235 GBP
Retailer 5£4,019 GBP
Retailer 7£5,272 GBP
Retailer 8£6,426 GBP
Do Amore Diamonds£6,583 GBP

32 data points across 17 retailers

17 retailers£741 GBP to £6,583 GBP

A
Cheapest Retailer
-
£741 GBP
$993 USD
A
Retailer 2
-
£937 GBP
$1,256 USD
View
A
Retailer 3
-
£994 GBP
$1,332 USD
View
A
Retailer 4
-
£1,040 GBP
$1,394 USD
View
Final sale: no returns
A
Retailer 5
-
£1,123 GBP
$1,505 USD
View
A
Retailer 6
-
£1,587 GBP
$2,126 USD
View
A
Retailer 7
-
£1,779 GBP
$2,383 USD
View
Retailer 8
-
£1,791 GBP
€2,286 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
£1,812 GBP
$2,428 USD
View
A
Retailer 10
-
£1,969 GBP
$2,638 USD
View
B+
Retailer 11
-
£2,453 GBP
$3,287 USD
View
Retailer 12
-
£2,538 GBP
A$5,232 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£3,235 GBP
View
Retailer 14
-
£4,019 GBP
$5,385 USD
View
Price last confirmed 12 days ago
Retailer 15
-
£5,272 GBP
A$10,868 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
£6,426 GBP
$8,610 USD
View
Most Expensive
B
Do Amore Diamonds
27-DD1A398A9 · Oct 30
£6,583 GBP
$8,820 USD
View
16 more retailers have this diamond
Prices start from £741 GBPSave up to £5,842 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
3.17ct Radiant
£741 GBP