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Round|Lab Grown|IGI

3.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836619888

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836619888

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)
19 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 LG836619888 or 836619888. Listed at 19 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°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619888
Dimensions9.27 × 9.20 × 5.76 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
9.27 mm9.20 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619888
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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: £7,659 GBP|Low: £1,017 GBP|High: £7,900 GBP|Avg: £2,818 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 18£1,017 GBP
Retailer 14£1,106 GBP
Retailer 9£1,179 GBP
Retailer 4£1,215 GBP
Retailer 13£1,307 GBP
Retailer 2£1,657 GBP
Retailer 16£1,864 GBP
Retailer 3£1,879 GBP
Retailer 12£2,041 GBP
Retailer 17£2,198 GBP
Retailer 8£2,210 GBP
Retailer 11£2,738 GBP
Retailer 5£3,178 GBP
Retailer 10£3,855 GBP
Retailer 7£4,144 GBP
Retailer 6£4,267 GBP
Retailer 15£4,644 GBP
Brilliant Earth£7,659 GBP

31 data points across 18 retailers

19 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
-
£1,307 GBP
$1,740 USD
View
A
Retailer 7
-
£1,657 GBP
View
A
Retailer 8
-
£1,864 GBP
$2,482 USD
View
A
Retailer 9
-
£1,879 GBP
$2,502 USD
View
A
Retailer 10
-
£2,041 GBP
€2,588 EUR
View
A
Retailer 11
-
£2,198 GBP
$2,927 USD
View
A
Retailer 12
-
£2,210 GBP
$2,943 USD
View
B+
Retailer 13
-
£2,738 GBP
ZAR 58,909 ZAR
View
B+
Retailer 14
-
£3,178 GBP
$4,232 USD
View
Retailer 15
-
£3,855 GBP
View
Price last confirmed 12 days ago
B+
Retailer 16
-
£4,144 GBP
$5,519 USD
View
B+
Retailer 17
-
£4,267 GBP
SGD 7,679 SGD
View
B+
Retailer 18
-
£4,644 GBP
$6,184 USD
View
Most Expensive
B
Brilliant Earth
21589186A · Oct 29
£7,659 GBP
$10,200 USD
View
18 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