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Round|Lab Grown|IGI

3.26ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG744513993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG744513993

Diamond specifications and retailer prices

From £958 GBP
$1,276 USD
As of October 29, 2026
Save £11,763 GBP (92%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £12,721 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 LG744513993 or 744513993. Listed at 15 retailers as of October 29, 2026, with prices from £958 to £12,721, a £11,763 spread on the same certified stone. Brilliant Earth lists it at £12,721. 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 angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513993
Dimensions9.48 × 9.51 × 5.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.48 mm9.51 mm3.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513993
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: £12,721 GBP|Low: £958 GBP|High: £13,119 GBP|Avg: £3,385 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
October 29, 2026
Retailer 12£958 GBP
Retailer 3£1,042 GBP
Retailer 13£1,224 GBP
Retailer 7£1,259 GBP
Retailer 6£1,634 GBP
Retailer 5£1,637 GBP
Retailer 11£1,760 GBP
Retailer 9£2,066 GBP
Retailer 15£2,071 GBP
Retailer 16£2,299 GBP
Retailer 8£2,562 GBP
Retailer 4£2,627 GBP
Retailer 2£3,522 GBP
Retailer 14£6,593 GBP
Retailer 10£7,738 GBP
Brilliant Earth£12,721 GBP

31 data points across 16 retailers

15 retailers£958 GBP to £12,721 GBP

A+
Cheapest Retailer
-
£958 GBP
$1,276 USD
A
Retailer 2
-
£1,042 GBP
$1,388 USD
View
A
Retailer 3
-
£1,224 GBP
$1,630 USD
View
A
Retailer 4
-
£1,259 GBP
$1,676 USD
View
Final sale: no returns
A
Retailer 5
-
£1,634 GBP
$2,176 USD
View
A
Retailer 6
-
£1,637 GBP
$2,180 USD
View
A
Retailer 7
-
£1,760 GBP
$2,344 USD
View
A
Retailer 8
-
£2,066 GBP
€2,620 EUR
View
A
Retailer 9
-
£2,071 GBP
$2,758 USD
View
A
Retailer 10
-
£2,299 GBP
$3,062 USD
View
B+
Retailer 11
-
£2,627 GBP
$3,498 USD
View
B+
Retailer 12
-
£3,522 GBP
View
B+
Retailer 13
-
£6,593 GBP
$8,780 USD
View
B
Retailer 14
-
£7,738 GBP
$10,305 USD
View
Most Expensive
B
Brilliant Earth
17242392Y · Oct 29
£12,721 GBP
$16,940 USD
View
14 more retailers have this diamond
Prices start from £958 GBPSave up to £11,763 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
£958 GBP