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Radiant|Lab Grown|IGI

3.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG712588743

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

Certificate IGI LG712588743

Diamond specifications and retailer prices

From £709 GBP
$950 USD
As of October 30, 2026
Save £5,590 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,299 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown radiant diamond

This 3.03ct 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 LG712588743 or 712588743. Listed at 17 retailers as of October 30, 2026, with prices from £709 to £6,299, a £5,590 spread on the same certified stone. Do Amore Diamonds lists it at £6,299. 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

3.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712588743
Dimensions10.16 × 7.17 × 4.72 mm
L/W Ratio1.42
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
10.16 mm7.17 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712588743
Side View
Table 63.0%Crown 42.3°Girdle: MED-STKPavilion 32.3°Culet: NoneDepth 65.8%

Caratlytics Score

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A+
Exceptional
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: £6,299 GBP|Low: £709 GBP|High: £7,605 GBP|Avg: £2,518 GBP|-17.2%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 13£709 GBP
Retailer 4£787 GBP
Retailer 6£948 GBP
Retailer 12£956 GBP
Retailer 9£996 GBP
Retailer 3£1,343 GBP
Retailer 10£1,481 GBP
Retailer 14£1,665 GBP
Retailer 17£1,702 GBP
Retailer 11£1,773 GBP
Retailer 2£2,050 GBP
Retailer 16£2,355 GBP
Retailer 15£3,096 GBP
Retailer 5£3,985 GBP
Retailer 7£5,043 GBP
Retailer 8£5,881 GBP
Do Amore Diamonds£6,299 GBP

34 data points across 17 retailers

17 retailers£709 GBP to £6,299 GBP

A+
Cheapest Retailer
-
£709 GBP
$950 USD
A
Retailer 2
-
£787 GBP
$1,055 USD
View
A
Retailer 3
-
£948 GBP
$1,270 USD
View
A
Retailer 4
-
£956 GBP
$1,281 USD
View
A
Retailer 5
-
£996 GBP
$1,334 USD
View
Final sale: no returns
A
Retailer 6
-
£1,343 GBP
$1,799 USD
View
A
Retailer 7
-
£1,481 GBP
€1,890 EUR
View
A
Retailer 8
-
£1,665 GBP
$2,231 USD
View
A
Retailer 9
-
£1,702 GBP
$2,280 USD
View
A
Retailer 10
-
£1,773 GBP
$2,375 USD
View
A
Retailer 11
-
£2,050 GBP
A$4,226 AUD
View
A
Retailer 12
-
£2,355 GBP
$3,155 USD
View
B+
Retailer 13
-
£3,096 GBP
View
Retailer 14
-
£3,985 GBP
$5,340 USD
View
Price last confirmed 10 days ago
Retailer 15
-
£5,043 GBP
A$10,395 AUD
View
Price last confirmed 23 days ago
B
Retailer 16
-
£5,881 GBP
$7,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-EE70D44A1 · Oct 31
£6,299 GBP
$8,440 USD
View
16 more retailers have this diamond
Prices start from £709 GBPSave up to £5,590 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+
3.03ct Radiant
£709 GBP