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Round|Lab Grown|IGI

3.68ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG828664289

Shape and cutting style on the report: Hexagonal modified step cut

Certificate IGI LG828664289

Diamond specifications and retailer prices

From £2,285 GBP
$3,062 USD
As of October 28, 2026
Save £10,820 GBP (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £13,106 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.68ct lab-grown round diamond

This 3.68ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828664289 or 828664289. Listed at 7 retailers as of October 28, 2026, with prices from £2,285 to £13,106, a £10,820 spread on the same certified stone. Do Amore Diamonds lists it at £13,106. 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

3.68
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG828664289
Dimensions13.48 × 7.73 × 4.67 mm
L/W Ratio1.74
Culet sizeLarge
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
13.48 mm7.73 mm3.68 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828664289
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: LargeDepth 60.4%

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 28
Current: £13,106 GBP|Low: £2,201 GBP|High: £13,106 GBP|Avg: £5,223 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4£2,285 GBP
Retailer 2£2,461 GBP
Retailer 6£2,556 GBP
Retailer 8£3,847 GBP
Retailer 9£6,401 GBP
Retailer 3£6,854 GBP
Retailer 5£7,036 GBP
Retailer 7£9,381 GBP
Do Amore Diamonds£13,106 GBP

10 data points across 9 retailers

7 retailers£2,285 GBP to £13,106 GBP

A
Cheapest Retailer
-
£2,285 GBP
$3,062 USD
A
Retailer 2
-
£2,461 GBP
$3,298 USD
View
Final sale: no returns
B+
Retailer 3
-
£2,556 GBP
$3,425 USD
View
B
Retailer 4
-
£6,854 GBP
View
B
Retailer 5
-
£7,036 GBP
$9,427 USD
View
B
Retailer 6
-
£9,381 GBP
$12,569 USD
View
Most Expensive
B
Do Amore Diamonds
20-E98515 · Oct 31
£13,106 GBP
$17,560 USD
View
6 more retailers have this diamond
Prices start from £2,285 GBPSave up to £10,820 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
3.68ct Round
£2,285 GBP