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Round|Lab Grown|IGI

3.04ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG677507408

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677507408

Diamond specifications and retailer prices

From £420 GBP
As of October 29, 2026
Save £1,267 GBP (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,970 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677507408 or 677507408. Listed at 18 retailers as of October 29, 2026, with a 302% 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

3.04
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677507408
Dimensions9.36 × 9.42 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.36 mm9.42 mm3.04 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677507408
Side View
Table 59.0%Crown 33.6°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 60.3%

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: £3,970 GBP|Low: £403 GBP|High: £4,030 GBP|Avg: £1,188 GBP|-1.5%
Rare Carat
Retailer 2
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Retailer 19
October 30, 2026
Retailer 3£420 GBP
Retailer 8£470 GBP
Retailer 11£470 GBP
Retailer 4£521 GBP
Retailer 19£521 GBP
Retailer 15£581 GBP
Retailer 14£619 GBP
Retailer 17£715 GBP
Retailer 6£724 GBP
Retailer 12£810 GBP
Retailer 2£1,099 GBP
Retailer 13£1,130 GBP
Retailer 18£1,292 GBP
Retailer 7£1,370 GBP
Retailer 5£1,546 GBP
Retailer 9£1,676 GBP
Retailer 10£1,687 GBP
Retailer 16£2,264 GBP
Rare Carat£3,970 GBP

40 data points across 19 retailers

18 retailers£420 GBP to £1,687 GBP

A
Cheapest Retailer
-
£420 GBP
Retailer 2
-
£470 GBP
View
Price last confirmed 9 days ago
Retailer 3
-
£521 GBP
View
Price last confirmed 20 days ago
Retailer 4
-
£521 GBP
View
Price last confirmed 7 days ago
Retailer 5
-
£581 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£619 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£715 GBP
View
A
Retailer 8
-
£724 GBP
View
A
Retailer 9
-
£810 GBP
View
A
Retailer 10
-
£1,099 GBP
View
Retailer 11
-
£1,130 GBP
View
Price last confirmed 7 days ago
A
Retailer 12
-
£1,292 GBP
View
Retailer 13
-
£1,370 GBP
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£1,546 GBP
View
Retailer 15
-
£1,676 GBP
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£1,687 GBP
View
Retailer 17
-
£2,264 GBP
View
Price last confirmed 10 days ago
Most Expensive
Rare Carat
GD13532_l_677507408 · Oct 28
£3,970 GBP
$5,360 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from £420 GBPSave up to £1,267 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
£420 GBP