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Round|Lab Grown|IGI

3.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG825676381

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825676381

Diamond specifications and retailer prices

From £1,229 GBP
$1,636 USD
As of October 29, 2026
Save £10,771 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £12,000 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825676381 or 825676381. Listed at 24 retailers as of October 29, 2026, with prices from £1,229 to £12,000, a £10,771 spread on the same certified stone. Brilliant Earth lists it at £12,000. 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

3.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825676381
Dimensions9.32 × 9.36 × 5.73 mm
L/W Ratio1.00
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
9.32 mm9.36 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825676381
Side View
Table 56.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £12,000 GBP|Low: £1,021 GBP|High: £12,368 GBP|Avg: £3,042 GBP|-3.0%
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
Retailer 14
October 30, 2026
Retailer 4£1,425 GBP
Retailer 10£1,551 GBP
Retailer 11£1,561 GBP
Retailer 12£1,683 GBP
Retailer 3£1,948 GBP
Retailer 2£2,011 GBP
Retailer 9£2,146 GBP
Retailer 14£2,334 GBP
Retailer 6£2,454 GBP
Retailer 7£3,309 GBP
Retailer 13£3,330 GBP
Retailer 5£3,517 GBP
Retailer 8£4,091 GBP
Brilliant Earth£12,000 GBP

43 data points across 14 retailers

24 retailers£1,229 GBP to £12,000 GBP

Retailer 1
-
£1,229 GBP
$1,636 USD
Price last confirmed 37 days ago
A
Retailer 2
-
£1,229 GBP
$1,636 USD
View
Retailer 3
-
£1,337 GBP
$1,780 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£1,405 GBP
$1,871 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
£1,425 GBP
$1,897 USD
View
A
Retailer 6
-
£1,551 GBP
$2,065 USD
View
A
Retailer 7
-
£1,561 GBP
$2,079 USD
View
Final sale: no returns
A
Retailer 8
-
£1,683 GBP
$2,241 USD
View
A
Retailer 9
-
£1,948 GBP
$2,594 USD
View
A
Retailer 10
-
£2,011 GBP
View
A
Retailer 11
-
£2,146 GBP
€2,722 EUR
View
B+
Retailer 12
-
£2,334 GBP
$3,108 USD
View
B+
Retailer 13
-
£2,670 GBP
$3,556 USD
View
Retailer 14
-
£2,670 GBP
$3,556 USD
View
Price last confirmed 39 days ago
B+
Retailer 15
-
£2,777 GBP
CA$5,137 CAD
View
B+
Retailer 16
-
£3,309 GBP
ZAR 71,179 ZAR
View
B+
Retailer 17
-
£3,330 GBP
$4,435 USD
View
B+
Retailer 18
-
£3,517 GBP
$4,684 USD
View
B+
Retailer 19
-
£4,091 GBP
View
B+
Retailer 20
-
£4,337 GBP
$5,775 USD
View
B
Retailer 21
-
£5,003 GBP
$6,662 USD
View
B
Retailer 22
-
£6,925 GBP
$9,222 USD
View
B
Retailer 23
-
£7,062 GBP
$9,405 USD
View
Most Expensive
B
Brilliant Earth
21046335A · Oct 29
£12,000 GBP
$15,980 USD
View
23 more retailers have this diamond
Prices start from £1,229 GBPSave up to £10,771 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
3.05ct Round
£1,229 GBP