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Radiant|Lab Grown|IGI

3.13ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG754594347

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

Certificate IGI LG754594347

Diamond specifications and retailer prices

From £824 GBP
$1,104 USD
As of October 30, 2026
Save £6,490 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,314 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.13ct lab-grown radiant diamond

This 3.13ct 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 LG754594347 or 754594347. Listed at 17 retailers as of October 30, 2026, with prices from £824 to £7,314, a £6,490 spread on the same certified stone. Do Amore Diamonds lists it at £7,314. 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

3.13
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594347
Dimensions10.06 × 7.17 × 4.94 mm
L/W Ratio1.40
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
10.06 mm7.17 mm3.13 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594347
Side View
Table 62.0%Crown 39.5°Girdle: ThickPavilion 34.2°Culet: NoneDepth 68.9%

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: £7,314 GBP|Low: £824 GBP|High: £7,844 GBP|Avg: £2,752 GBP|-6.8%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 13£824 GBP
Retailer 4£925 GBP
Retailer 9£1,028 GBP
Retailer 12£1,082 GBP
Retailer 7£1,112 GBP
Retailer 3£1,569 GBP
Retailer 10£1,717 GBP
Retailer 14£1,790 GBP
Retailer 11£1,938 GBP
Retailer 17£1,977 GBP
Retailer 5£2,507 GBP
Retailer 16£2,699 GBP
Retailer 15£3,407 GBP
Retailer 6£4,015 GBP
Retailer 2£5,144 GBP
Retailer 8£6,075 GBP
Do Amore Diamonds£7,314 GBP

34 data points across 17 retailers

17 retailers£824 GBP to £7,314 GBP

A
Cheapest Retailer
-
£824 GBP
$1,104 USD
A
Retailer 2
-
£925 GBP
$1,240 USD
View
A
Retailer 3
-
£1,028 GBP
$1,378 USD
View
Final sale: no returns
A
Retailer 4
-
£1,082 GBP
$1,450 USD
View
A
Retailer 5
-
£1,112 GBP
$1,490 USD
View
A
Retailer 6
-
£1,569 GBP
$2,102 USD
View
A
Retailer 7
-
£1,717 GBP
€2,191 EUR
View
A
Retailer 8
-
£1,790 GBP
$2,399 USD
View
A
Retailer 9
-
£1,938 GBP
$2,597 USD
View
A
Retailer 10
-
£1,977 GBP
$2,649 USD
View
Retailer 11
-
£2,507 GBP
A$5,168 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£2,699 GBP
$3,616 USD
View
B+
Retailer 13
-
£3,407 GBP
View
Retailer 14
-
£4,015 GBP
$5,380 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
£5,144 GBP
A$10,604 AUD
View
B
Retailer 16
-
£6,075 GBP
$8,140 USD
View
Most Expensive
B
Do Amore Diamonds
27-E815DC680 · Oct 31
£7,314 GBP
$9,800 USD
View
16 more retailers have this diamond
Prices start from £824 GBPSave up to £6,490 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
3.13ct Radiant
£824 GBP