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Round|Lab Grown|IGI

3.26ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG804664740

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804664740

Diamond specifications and retailer prices

From £1,945 GBP
$2,590 USD
As of October 29, 2026
Save £10,873 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £12,818 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.26ct lab-grown round diamond

This 3.26ct 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 LG804664740 or 804664740. Listed at 13 retailers as of October 29, 2026, with prices from £1,945 to £12,818, a £10,873 spread on the same certified stone. Brilliant Earth lists it at £12,818. 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

3.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664740
Dimensions9.49 × 9.43 × 5.88 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
9.49 mm9.43 mm3.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664740
Side View
Table 55.0%Crown 34.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.1%

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: £12,818 GBP|Low: £1,945 GBP|High: £12,826 GBP|Avg: £4,412 GBP|-0.1%
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 10£1,945 GBP
Retailer 3£2,259 GBP
Retailer 13£2,287 GBP
Retailer 2£2,534 GBP
Retailer 14£2,792 GBP
Retailer 9£2,957 GBP
Retailer 6£3,601 GBP
Retailer 7£4,293 GBP
Retailer 11£4,847 GBP
Retailer 5£4,982 GBP
Retailer 8£5,043 GBP
Retailer 12£6,465 GBP
Retailer 4£7,158 GBP
Brilliant Earth£12,818 GBP

42 data points across 14 retailers

13 retailers£1,945 GBP to £12,818 GBP

A
Cheapest Retailer
-
£1,945 GBP
$2,590 USD
A
Retailer 2
-
£2,259 GBP
HK$23,500 HKD
View
A
Retailer 3
-
£2,287 GBP
$3,046 USD
View
B+
Retailer 4
-
£2,534 GBP
View
B+
Retailer 5
-
£2,792 GBP
$3,718 USD
View
B+
Retailer 6
-
£2,957 GBP
€3,750 EUR
View
B+
Retailer 7
-
£4,293 GBP
ZAR 92,365 ZAR
View
B+
Retailer 8
-
£4,847 GBP
$6,455 USD
View
B+
Retailer 9
-
£4,982 GBP
$6,634 USD
View
B+
Retailer 10
-
£5,043 GBP
View
B
Retailer 11
-
£6,465 GBP
$8,609 USD
View
B
Retailer 12
-
£7,158 GBP
$9,532 USD
View
Most Expensive
B
Brilliant Earth
20449387A · Oct 29
£12,818 GBP
$17,070 USD
View
12 more retailers have this diamond
Prices start from £1,945 GBPSave up to £10,873 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
3.26ct Round
£1,945 GBP