Round|Lab Grown|IGI

3.26ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG804649649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804649649

Diamond specifications and retailer prices

From £1,037 GBP
$1,381 USD
As of October 29, 2026
Save £7,914 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £13,201 GBP at Brilliant Earth · As of September 28, 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 LG804649649 or 804649649. Listed at 22 retailers as of October 29, 2026, with a 763% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649649
Dimensions9.53 × 9.58 × 5.84 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
9.53 mm9.58 mm3.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649649
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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: £8,951 GBP|Low: £1,037 GBP|High: £12,788 GBP|Avg: £2,520 GBP|-30.0%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 5£1,037 GBP
Retailer 3£1,129 GBP
Retailer 20£1,203 GBP
Retailer 8£1,249 GBP
Retailer 17£1,262 GBP
Retailer 12£1,298 GBP
Retailer 6£1,376 GBP
Retailer 2£1,691 GBP
Retailer 4£1,901 GBP
Retailer 15£2,097 GBP
Retailer 16£2,102 GBP
Retailer 18£2,255 GBP
Retailer 11£2,284 GBP
Retailer 13£2,794 GBP
Retailer 19£3,243 GBP
Retailer 14£3,454 GBP
Retailer 7£4,230 GBP
Retailer 10£4,380 GBP
Retailer 9£4,772 GBP
Brilliant Earth£8,951 GBP

21 data points across 20 retailers

22 retailers£1,037 GBP to £8,951 GBP

A+
Cheapest Retailer
-
£1,037 GBP
$1,381 USD
A
Retailer 2
-
£1,129 GBP
$1,503 USD
View
A
Retailer 3
-
£1,203 GBP
$1,602 USD
View
A
Retailer 4
-
£1,249 GBP
$1,663 USD
View
Final sale: no returns
A
Retailer 5
-
£1,262 GBP
$1,680 USD
View
Retailer 6
-
£1,298 GBP
$1,728 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£1,376 GBP
$1,833 USD
View
A
Retailer 8
-
£1,691 GBP
View
A
Retailer 9
-
£1,901 GBP
$2,531 USD
View
A
Retailer 10
-
£2,097 GBP
€2,660 EUR
View
A
Retailer 11
-
£2,102 GBP
$2,799 USD
View
A
Retailer 12
-
£2,255 GBP
$3,003 USD
View
A
Retailer 13
-
£2,284 GBP
$3,042 USD
View
B+
Retailer 14
-
£2,794 GBP
ZAR 60,098 ZAR
View
B+
Retailer 15
-
£3,243 GBP
$4,318 USD
View
B+
Retailer 16
-
£3,285 GBP
$4,374 USD
View
B+
Retailer 17
-
£3,454 GBP
View
B+
Retailer 18
-
£4,230 GBP
$5,633 USD
View
B+
Retailer 19
-
£4,380 GBP
SGD 7,883 SGD
View
B+
Retailer 20
-
£4,772 GBP
$6,355 USD
View
B
Retailer 21
-
£8,951 GBP
$11,920 USD
View
Most Expensive
Brilliant Earth
20366139A · Sep 28
£13,201 GBP
$17,580 USD
View
Price last confirmed 31 days ago
21 more retailers have this diamond
Prices start from £1,037 GBPSave up to £7,914 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
£1,037 GBP