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Round|Lab Grown|IGI

3.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818658813

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818658813

Diamond specifications and retailer prices

From £1,072 GBP
$1,427 USD
As of October 29, 2026
Save £3,697 GBP (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,768 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818658813 or 818658813. Listed at 21 retailers as of October 28, 2026, with prices from £1,072 to £4,768, a £3,697 spread on the same certified stone. Rare Carat lists it at £4,768. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658813
Dimensions9.31 × 9.37 × 5.71 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.31 mm9.37 mm3.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658813
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

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: Oct 29
Current: £4,768 GBP|Low: £1,059 GBP|High: £4,813 GBP|Avg: £2,380 GBP|-0.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 29, 2026
Retailer 9£1,072 GBP
Retailer 3£1,166 GBP
Retailer 4£1,199 GBP
Retailer 16£1,244 GBP
Retailer 10£1,463 GBP
Retailer 15£1,525 GBP
Retailer 18£1,737 GBP
Retailer 2£1,743 GBP
Retailer 11£1,750 GBP
Retailer 8£1,870 GBP
Retailer 14£1,989 GBP
Retailer 12£2,322 GBP
Retailer 19£2,331 GBP
Retailer 13£2,887 GBP
Retailer 20£3,217 GBP
Retailer 5£3,225 GBP
Retailer 6£3,555 GBP
Retailer 17£3,837 GBP
Retailer 7£4,375 GBP
Rare Carat£4,768 GBP

25 data points across 20 retailers

21 retailers£1,072 GBP to £4,768 GBP

A
Cheapest Retailer
-
£1,072 GBP
$1,427 USD
A
Retailer 2
-
£1,166 GBP
$1,553 USD
View
A
Retailer 3
-
£1,199 GBP
$1,597 USD
View
Final sale: no returns
A
Retailer 4
-
£1,244 GBP
$1,656 USD
View
A
Retailer 5
-
£1,280 GBP
$1,704 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£1,463 GBP
$1,948 USD
View
A
Retailer 7
-
£1,525 GBP
View
A
Retailer 8
-
£1,737 GBP
$2,313 USD
View
A
Retailer 9
-
£1,743 GBP
View
A
Retailer 10
-
£1,750 GBP
$2,330 USD
View
A
Retailer 11
-
£1,870 GBP
$2,490 USD
View
A
Retailer 12
-
£1,989 GBP
€2,523 EUR
View
B+
Retailer 13
-
£2,322 GBP
$3,092 USD
View
B+
Retailer 14
-
£2,331 GBP
$3,104 USD
View
B+
Retailer 15
-
£2,887 GBP
ZAR 62,113 ZAR
View
B+
Retailer 16
-
£3,217 GBP
$4,284 USD
View
B+
Retailer 17
-
£3,225 GBP
$4,294 USD
View
B+
Retailer 18
-
£3,555 GBP
View
B+
Retailer 19
-
£3,837 GBP
$5,110 USD
View
B
Retailer 20
-
£4,375 GBP
$5,826 USD
View
Most Expensive
B
Rare Carat
C495-21A · Oct 28
£4,768 GBP
$6,350 USD
View
20 more retailers have this diamond
Prices start from £1,072 GBPSave up to £3,697 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 Round
£1,072 GBP