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Radiant|Lab Grown|IGI

3.03ct G IF Radiant Lab Grown Diamond

EX • G/IF • IGI LG764636421

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

Certificate IGI LG764636421

Diamond specifications and retailer prices

From £1,633 GBP
$2,190 USD
As of November 3, 2026
Save £8,404 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £10,685 GBP at Do Amore Diamonds · As of November 2, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG764636421 or 764636421. Listed at 22 retailers as of November 2, 2026, with a 515% 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
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764636421
Dimensions10.83 × 7.00 × 4.53 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.83 mm7.00 mm3.03 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764636421
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £4,350 GBP|Low: £1,692 GBP|High: £5,135 GBP|Avg: £3,121 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 2£1,692 GBP
Retailer 10£1,816 GBP
Retailer 3£1,849 GBP
Retailer 5£2,000 GBP
Retailer 4£2,571 GBP
Retailer 9£2,778 GBP
Retailer 8£3,050 GBP
Retailer 7£4,217 GBP
Retailer 1£4,350 GBP
Retailer 11£4,559 GBP
Retailer 6£5,067 GBP

42 data points across 11 retailers

22 retailers£1,633 GBP to £10,037 GBP

Retailer 1
-
£1,400 GBP
$1,878 USD
Price last confirmed 32 days ago
Retailer 2
-
£1,587 GBP
$2,128 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£1,633 GBP
$2,190 USD
View
Final sale: no returns
Retailer 4
-
£1,692 GBP
$2,269 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
£1,816 GBP
$2,435 USD
View
B+
Retailer 6
-
£1,849 GBP
$2,480 USD
View
B+
Retailer 7
-
£1,991 GBP
$2,670 USD
View
B+
Retailer 8
-
£2,000 GBP
View
B+
Retailer 9
-
£2,377 GBP
$3,188 USD
View
Retailer 10
-
£2,567 GBP
$3,443 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
£2,571 GBP
View
B+
Retailer 12
-
£2,778 GBP
$3,726 USD
View
B+
Retailer 13
-
£3,050 GBP
$4,090 USD
View
B
Retailer 14
-
£3,546 GBP
View
B
Retailer 15
-
£4,217 GBP
A$8,701 AUD
View
B
Retailer 16
-
£4,350 GBP
ZAR 94,251 ZAR
View
B
Retailer 17
-
£4,559 GBP
$6,114 USD
View
B
Retailer 18
-
£5,009 GBP
$6,717 USD
View
B
Retailer 19
-
£5,067 GBP
View
B
Retailer 20
-
£6,529 GBP
$8,756 USD
View
B
Retailer 21
-
£10,037 GBP
$13,460 USD
View
Most Expensive
Do Amore Diamonds
23-764636421 · Nov 2
£10,685 GBP
$14,330 USD
View
Price under review
21 more retailers have this diamond
Prices start from £1,633 GBPSave up to £8,404 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
£1,633 GBP