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3.26ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG811634209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811634209

Diamond specifications and retailer prices

From £2,259 GBP
HK$23,500 HKD
As of October 30, 2026
Save £10,560 GBP (82%) vs most expensive(unlock to see where)
10 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 LG811634209 or 811634209. Listed at 10 retailers as of October 29, 2026, with prices from £2,259 to £12,818, a £10,560 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 angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634209
Dimensions9.45 × 9.53 × 5.83 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
9.45 mm9.53 mm3.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634209
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: £12,818 GBP|Low: £2,259 GBP|High: £13,224 GBP|Avg: £4,967 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10£2,259 GBP
Retailer 8£2,287 GBP
Retailer 2£2,534 GBP
Retailer 9£2,792 GBP
Retailer 5£2,957 GBP
Retailer 3£3,601 GBP
Retailer 6£4,847 GBP
Retailer 4£5,043 GBP
Retailer 7£6,465 GBP
Retailer 11£7,158 GBP
Brilliant Earth£12,818 GBP

41 data points across 11 retailers

10 retailers£2,259 GBP to £12,818 GBP

A
Cheapest Retailer
-
£2,259 GBP
HK$23,500 HKD
A
Retailer 2
-
£2,287 GBP
$3,046 USD
View
B+
Retailer 3
-
£2,534 GBP
View
B+
Retailer 4
-
£2,792 GBP
$3,718 USD
View
B+
Retailer 5
-
£2,957 GBP
€3,750 EUR
View
B+
Retailer 6
-
£4,847 GBP
$6,455 USD
View
B+
Retailer 7
-
£5,043 GBP
View
B
Retailer 8
-
£6,465 GBP
$8,609 USD
View
B
Retailer 9
-
£7,158 GBP
$9,532 USD
View
Most Expensive
B
Brilliant Earth
20871375A · Oct 29
£12,818 GBP
$17,070 USD
View
9 more retailers have this diamond
Prices start from £2,259 GBPSave up to £10,560 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
£2,259 GBP