Round|Lab Grown|IGI

3.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836608007

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836608007

Diamond specifications and retailer prices

From £1,017 GBP
$1,354 USD
As of October 29, 2026
Save £6,643 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,659 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 LG836608007 or 836608007. Listed at 22 retailers as of October 29, 2026, with prices from £1,017 to £7,659, a £6,643 spread on the same certified stone. Brilliant Earth lists it at £7,659. 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 angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836608007
Dimensions9.20 × 9.28 × 5.75 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
9.20 mm9.28 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836608007
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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A+
Exceptional
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: £1,407 GBP|Low: £1,017 GBP|High: £5,392 GBP|Avg: £2,403 GBP|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 21
October 30, 2026
Retailer 3£1,017 GBP
Retailer 19£1,106 GBP
Retailer 13£1,179 GBP
Retailer 14£1,199 GBP
Retailer 5£1,215 GBP
Retailer 9£1,348 GBP
Retailer 1£1,407 GBP
Retailer 12£1,657 GBP
Retailer 17£1,768 GBP
Retailer 21£1,864 GBP
Retailer 4£1,879 GBP
Retailer 16£2,041 GBP
Retailer 2£2,198 GBP
Retailer 11£2,210 GBP
Retailer 15£2,738 GBP
Retailer 6£3,178 GBP
Retailer 18£3,794 GBP
Retailer 10£4,144 GBP
Retailer 8£4,267 GBP
Retailer 20£4,644 GBP
Retailer 7£5,290 GBP

21 data points across 21 retailers

22 retailers£1,017 GBP to £7,659 GBP

A+
Cheapest Retailer
-
£1,017 GBP
$1,354 USD
A
Retailer 2
-
£1,106 GBP
$1,473 USD
View
A
Retailer 3
-
£1,179 GBP
$1,570 USD
View
Retailer 4
-
£1,199 GBP
$1,597 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
£1,215 GBP
$1,618 USD
View
Final sale: no returns
A
Retailer 6
-
£1,348 GBP
$1,795 USD
View
A
Retailer 7
-
£1,407 GBP
View
A
Retailer 8
-
£1,657 GBP
View
A
Retailer 9
-
£1,768 GBP
$2,355 USD
View
A
Retailer 10
-
£1,864 GBP
$2,482 USD
View
A
Retailer 11
-
£1,879 GBP
$2,502 USD
View
A
Retailer 12
-
£2,041 GBP
€2,588 EUR
View
A
Retailer 13
-
£2,198 GBP
$2,927 USD
View
A
Retailer 14
-
£2,210 GBP
$2,943 USD
View
B+
Retailer 15
-
£2,738 GBP
ZAR 58,909 ZAR
View
B+
Retailer 16
-
£3,178 GBP
$4,232 USD
View
B
Retailer 17
-
£3,794 GBP
View
B+
Retailer 18
-
£4,144 GBP
$5,519 USD
View
B+
Retailer 19
-
£4,267 GBP
SGD 7,679 SGD
View
B+
Retailer 20
-
£4,644 GBP
$6,184 USD
View
B+
Retailer 21
-
£5,290 GBP
$7,044 USD
View
Most Expensive
B
Brilliant Earth
21695660A · Oct 29
£7,659 GBP
$10,200 USD
View
21 more retailers have this diamond
Prices start from £1,017 GBPSave up to £6,643 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
£1,017 GBP