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Round|Lab Grown|IGI

3.26ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG804661362

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804661362

Diamond specifications and retailer prices

From £1,698 GBP
$2,261 USD
As of October 30, 2026
Save £9,237 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £10,935 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

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 LG804661362 or 804661362. Listed at 11 retailers as of October 29, 2026, with prices from £1,698 to £10,935, a £9,237 spread on the same certified stone. Blue Nile lists it at £10,935. 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 angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804661362
Dimensions9.56 × 9.50 × 5.87 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
9.56 mm9.50 mm3.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804661362
Side View
Table 54.0%Crown 33.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.5%

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: £10,935 GBP|Low: £1,698 GBP|High: £13,119 GBP|Avg: £4,825 GBP|-10.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£1,698 GBP
Retailer 8£1,787 GBP
Retailer 3£2,307 GBP
Retailer 5£2,534 GBP
Retailer 12£2,792 GBP
Retailer 7£2,957 GBP
Retailer 4£3,611 GBP
Retailer 9£4,847 GBP
Retailer 6£5,043 GBP
Retailer 10£6,465 GBP
Retailer 2£10,303 GBP
Blue Nile£10,935 GBP

41 data points across 12 retailers

11 retailers£1,698 GBP to £10,935 GBP

A
Cheapest Retailer
-
£1,698 GBP
$2,261 USD
A
Retailer 2
-
£1,787 GBP
$2,380 USD
View
B+
Retailer 3
-
£2,307 GBP
HK$24,000 HKD
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
-
£4,847 GBP
$6,455 USD
View
B+
Retailer 8
-
£5,043 GBP
View
B
Retailer 9
-
£6,465 GBP
$8,609 USD
View
B
Retailer 10
-
£10,303 GBP
$13,720 USD
View
Most Expensive
B
Blue Nile
30001137 · Oct 29
£10,935 GBP
$14,562 USD
View
10 more retailers have this diamond
Prices start from £1,698 GBPSave up to £9,237 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
£1,698 GBP