Radiant|Lab Grown|IGI

3.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG743593363

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

Certificate IGI LG743593363

Diamond specifications and retailer prices

From £824 GBP
$1,104 USD
As of October 30, 2026
Save £6,498 GBP (89%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: £15,798 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 LG743593363 or 743593363. Listed at 32 retailers as of October 30, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle42.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593363
Dimensions10.18 × 7.33 × 4.86 mm
L/W Ratio1.39
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
10.18 mm7.33 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593363
Side View
Table 64.0%Crown 42.5°Girdle: MediumPavilion 35.2°Culet: NoneDepth 66.3%

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: £7,321 GBP|Low: £824 GBP|High: £8,008 GBP|Avg: £2,883 GBP|-8.6%
Retailer 1
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Retailer 24
October 31, 2026
Retailer 22£824 GBP
Retailer 21£1,053 GBP
Retailer 10£1,116 GBP
Retailer 19£1,147 GBP
Retailer 24£1,259 GBP
Retailer 2£1,337 GBP
Retailer 4£1,528 GBP
Retailer 12£1,665 GBP
Retailer 15£1,733 GBP
Retailer 13£1,840 GBP
Retailer 18£1,939 GBP
Retailer 7£2,450 GBP
Retailer 6£2,548 GBP
Retailer 9£2,612 GBP
Retailer 20£2,768 GBP
Retailer 17£2,985 GBP
Retailer 23£3,013 GBP
Retailer 8£3,716 GBP
Retailer 5£3,746 GBP
Retailer 3£3,863 GBP
Retailer 11£3,985 GBP
Retailer 14£5,043 GBP
Retailer 16£5,881 GBP
Retailer 1£7,321 GBP

32 data points across 24 retailers

32 retailers£824 GBP to £7,321 GBP

A
Cheapest Retailer
-
£824 GBP
$1,104 USD
Retailer 2
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£969 GBP
$1,299 USD
View
Price last confirmed 31 days ago
Retailer 3
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£1,046 GBP
$1,402 USD
View
Price last confirmed 28 days ago
A
Retailer 4
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£1,053 GBP
$1,411 USD
View
Final sale: no returns
Retailer 5
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£1,055 GBP
$1,413 USD
View
Price last confirmed 33 days ago
Retailer 6
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£1,109 GBP
$1,486 USD
View
Price last confirmed 34 days ago
A
Retailer 7
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£1,116 GBP
$1,495 USD
View
A
Retailer 8
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£1,147 GBP
$1,537 USD
View
A
Retailer 9
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£1,259 GBP
View
A
Retailer 10
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£1,337 GBP
HK$14,000 HKD
View
A
Retailer 11
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£1,528 GBP
View
A
Retailer 12
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£1,665 GBP
$2,231 USD
View
A
Retailer 13
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£1,733 GBP
$2,322 USD
View
Retailer 14
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£1,840 GBP
€2,348 EUR
View
Price last confirmed 7 days ago
A
Retailer 15
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£1,939 GBP
$2,598 USD
View
A
Retailer 16
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£2,165 GBP
$2,901 USD
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Retailer 17
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£2,165 GBP
$2,901 USD
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Price last confirmed 21 days ago
Retailer 18
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£2,327 GBP
$3,118 USD
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Price last confirmed 30 days ago
A
Retailer 19
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£2,450 GBP
ZAR 53,038 ZAR
View
A
Retailer 20
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£2,548 GBP
View
Retailer 21
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£2,612 GBP
A$5,385 AUD
View
Price last confirmed 9 days ago
B+
Retailer 22
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£2,768 GBP
$3,709 USD
View
B+
Retailer 23
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£2,985 GBP
$4,000 USD
View
B+
Retailer 24
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£3,013 GBP
$4,038 USD
View
B+
Retailer 25
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£3,716 GBP
View
B+
Retailer 26
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£3,746 GBP
$5,020 USD
View
B+
Retailer 27
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£3,863 GBP
SGD 6,995 SGD
View
Retailer 28
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£3,985 GBP
$5,340 USD
View
Price last confirmed 10 days ago
Retailer 29
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£5,043 GBP
A$10,395 AUD
View
Price last confirmed 22 days ago
B
Retailer 30
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£5,881 GBP
$7,880 USD
View
B
Retailer 31
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£7,321 GBP
$9,810 USD
View
Most Expensive
Diamond Quarter
3.03IFD25701DD1N · Oct 29
£15,798 GBP
View
Price under review
31 more retailers have this diamond
Prices start from £824 GBPSave up to £6,498 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
£824 GBP