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Round|Lab Grown|IGI

3.04ct F FL Round Lab Grown Diamond

EX • F/FL • IGI LG821675703

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821675703

Diamond specifications and retailer prices

From £1,343 GBP
$1,800 USD
As of October 31, 2026
Save £4,232 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,575 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.04ct lab-grown round diamond

This 3.04ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821675703 or 821675703. Listed at 13 retailers as of October 31, 2026, with prices from £1,343 to £5,575, a £4,232 spread on the same certified stone. Brilliant Earth lists it at £5,575. 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

3.04
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821675703
Dimensions9.37 × 9.31 × 5.58 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
9.37 mm9.31 mm3.04 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821675703
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

Caratlytics Score

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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 31
Current: £5,575 GBP|Low: £1,343 GBP|High: £8,322 GBP|Avg: £2,784 GBP|-33.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11£1,343 GBP
Retailer 2£1,445 GBP
Retailer 6£1,707 GBP
Retailer 5£1,733 GBP
Retailer 3£1,767 GBP
Retailer 8£1,850 GBP
Retailer 10£2,205 GBP
Retailer 7£2,821 GBP
Retailer 12£3,135 GBP
Retailer 9£3,474 GBP
Retailer 13£4,054 GBP
Retailer 4£4,273 GBP
Brilliant Earth£5,575 GBP

14 data points across 13 retailers

13 retailers£1,343 GBP to £5,575 GBP

A
Cheapest Retailer
-
£1,343 GBP
$1,800 USD
A
Retailer 2
-
£1,445 GBP
View
B+
Retailer 3
-
£1,707 GBP
View
B+
Retailer 4
-
£1,733 GBP
$2,322 USD
View
B+
Retailer 5
-
£1,767 GBP
$2,368 USD
View
B+
Retailer 6
-
£1,850 GBP
€2,361 EUR
View
B+
Retailer 7
-
£2,205 GBP
$2,954 USD
View
B+
Retailer 8
-
£2,821 GBP
ZAR 61,056 ZAR
View
B
Retailer 9
-
£3,135 GBP
$4,200 USD
View
B
Retailer 10
-
£3,474 GBP
View
B
Retailer 11
-
£4,054 GBP
SGD 7,341 SGD
View
B
Retailer 12
-
£4,273 GBP
$5,725 USD
View
Most Expensive
B
Brilliant Earth
22287918A · Oct 31
£5,575 GBP
$7,470 USD
View
12 more retailers have this diamond
Prices start from £1,343 GBPSave up to £4,232 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
3.04ct Round
£1,343 GBP