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Round|Lab Grown|IGI

3.05ct D FL Round Lab Grown Diamond

EX • D/FL • IGI LG813622785

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813622785

Diamond specifications and retailer prices

From £1,748 GBP
$2,328 USD
As of October 29, 2026
Save £10,267 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £12,015 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 LG813622785 or 813622785. Listed at 22 retailers as of October 29, 2026, with prices from £1,748 to £12,015, a £10,267 spread on the same certified stone. Brilliant Earth lists it at £12,015. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813622785
Dimensions9.43 × 9.40 × 5.59 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
9.43 mm9.40 mm3.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813622785
Side View
Table 61.0%Crown 33.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.3%

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: £12,015 GBP|Low: £1,499 GBP|High: £12,015 GBP|Avg: £3,525 GBP
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 16£1,561 GBP
Retailer 7£1,748 GBP
Retailer 3£1,810 GBP
Retailer 4£1,810 GBP
Retailer 6£1,904 GBP
Retailer 15£1,934 GBP
Retailer 9£2,060 GBP
Retailer 2£2,482 GBP
Retailer 17£2,579 GBP
Retailer 14£2,637 GBP
Retailer 13£2,730 GBP
Retailer 8£3,433 GBP
Retailer 11£4,205 GBP
Retailer 18£4,659 GBP
Retailer 12£4,939 GBP
Retailer 5£6,031 GBP
Retailer 10£6,333 GBP
Brilliant Earth£12,015 GBP

45 data points across 18 retailers

22 retailers£1,748 GBP to £12,015 GBP

Retailer 1
-
£1,561 GBP
$2,079 USD
Price last confirmed 19 days ago
Retailer 2
-
£1,699 GBP
$2,262 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£1,748 GBP
$2,328 USD
View
Final sale: no returns
Retailer 4
-
£1,810 GBP
$2,411 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£1,810 GBP
$2,411 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£1,904 GBP
$2,535 USD
View
A
Retailer 7
-
£1,934 GBP
$2,575 USD
View
A
Retailer 8
-
£2,060 GBP
$2,743 USD
View
B+
Retailer 9
-
£2,482 GBP
View
Retailer 10
-
£2,489 GBP
$3,315 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
£2,579 GBP
$3,435 USD
View
B+
Retailer 12
-
£2,637 GBP
$3,511 USD
View
B+
Retailer 13
-
£2,730 GBP
€3,462 EUR
View
B+
Retailer 14
-
£3,433 GBP
View
B+
Retailer 15
-
£4,205 GBP
ZAR 90,460 ZAR
View
B+
Retailer 16
-
£4,659 GBP
$6,204 USD
View
B+
Retailer 17
-
£4,879 GBP
$6,497 USD
View
B+
Retailer 18
-
£4,939 GBP
View
B
Retailer 19
-
£5,398 GBP
$7,189 USD
View
B
Retailer 20
-
£6,031 GBP
SGD 10,854 SGD
View
B
Retailer 21
-
£6,333 GBP
$8,434 USD
View
Most Expensive
B
Brilliant Earth
20668489A · Oct 29
£12,015 GBP
$16,000 USD
View
21 more retailers have this diamond
Prices start from £1,748 GBPSave up to £10,267 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
3.05ct Round
£1,748 GBP