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Round|Lab Grown|IGI

3.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836612026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836612026

Diamond specifications and retailer prices

From £948 GBP
$1,263 USD
As of October 29, 2026
Save £5,397 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,345 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG836612026 or 836612026. Listed at 23 retailers as of October 29, 2026, with prices from £948 to £6,345, a £5,397 spread on the same certified stone. Brilliant Earth lists it at £6,345. 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 angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612026
Dimensions9.22 × 9.27 × 5.74 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
9.22 mm9.27 mm3.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612026
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

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: £6,345 GBP|Low: £948 GBP|High: £7,419 GBP|Avg: £2,459 GBP|-14.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 20
October 29, 2026
Retailer 5£948 GBP
Retailer 20£1,032 GBP
Retailer 4£1,100 GBP
Retailer 12£1,159 GBP
Retailer 10£1,274 GBP
Retailer 15£1,349 GBP
Retailer 2£1,544 GBP
Retailer 16£1,648 GBP
Retailer 19£1,696 GBP
Retailer 6£1,741 GBP
Retailer 14£2,015 GBP
Retailer 3£2,050 GBP
Retailer 7£2,062 GBP
Retailer 13£2,554 GBP
Retailer 18£3,019 GBP
Retailer 17£3,539 GBP
Retailer 9£3,859 GBP
Retailer 11£4,584 GBP
Retailer 8£4,761 GBP
Brilliant Earth£6,345 GBP

25 data points across 20 retailers

23 retailers£948 GBP to £6,345 GBP

A
Cheapest Retailer
-
£948 GBP
$1,263 USD
A
Retailer 2
-
£1,032 GBP
$1,374 USD
View
A
Retailer 3
-
£1,100 GBP
$1,465 USD
View
A
Retailer 4
-
£1,159 GBP
$1,544 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£1,199 GBP
$1,597 USD
View
Final sale: no returns
A
Retailer 6
-
£1,274 GBP
$1,697 USD
View
A
Retailer 7
-
£1,349 GBP
View
A
Retailer 8
-
£1,544 GBP
View
A
Retailer 9
-
£1,648 GBP
$2,195 USD
View
A
Retailer 10
-
£1,696 GBP
$2,259 USD
View
A
Retailer 11
-
£1,741 GBP
$2,319 USD
View
A
Retailer 12
-
£2,015 GBP
€2,555 EUR
View
A
Retailer 13
-
£2,050 GBP
$2,730 USD
View
A
Retailer 14
-
£2,062 GBP
$2,746 USD
View
B+
Retailer 15
-
£2,554 GBP
ZAR 54,949 ZAR
View
B+
Retailer 16
-
£3,019 GBP
$4,021 USD
View
B+
Retailer 17
-
£3,539 GBP
View
B+
Retailer 18
-
£3,859 GBP
$5,140 USD
View
B
Retailer 19
-
£4,210 GBP
SGD 7,577 SGD
View
B
Retailer 20
-
£4,584 GBP
$6,104 USD
View
B+
Retailer 21
-
£4,761 GBP
$6,340 USD
View
B
Retailer 22
-
£5,223 GBP
$6,956 USD
View
Most Expensive
B
Brilliant Earth
21621171A · Oct 29
£6,345 GBP
$8,450 USD
View
22 more retailers have this diamond
Prices start from £948 GBPSave up to £5,397 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
£948 GBP