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Round|Lab Grown

4.05ct E FL Round Lab Grown Diamond

ID • E/FL • 772644825

Diamond specifications and retailer prices

From £1,787 GBP
$2,394 USD
As of October 29, 2026
Save £1,358 GBP (43%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,144 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 4.05ct lab-grown round diamond

This 4.05ct 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. Listed at 4 retailers as of October 29, 2026, with prices from £1,787 to £3,144, a £1,358 spread on the same certified stone. NZ Jewellers lists it at £3,144. 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

4.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate772644825
Dimensions10.41 × 10.38 × 6.19 mm
L/W Ratio1.00
Top View
10.41 mm10.38 mm4.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate772644825
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.6%

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 29
Current: £3,144 GBP|Low: £1,787 GBP|High: £15,158 GBP|Avg: £5,938 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3£1,787 GBP
Retailer 2£1,944 GBP
Retailer 4£2,226 GBP
NZ Jewellers£3,144 GBP
Retailer 5£15,158 GBP

4 data points across 5 retailers

4 retailers£1,787 GBP to £3,144 GBP

A
Cheapest Retailer
-
£1,787 GBP
$2,394 USD
A
Retailer 2
-
£1,944 GBP
$2,605 USD
View
B+
Retailer 3
-
£2,226 GBP
$2,982 USD
View
Most Expensive
B+
NZ Jewellers
9118af45-ec2a-4a03-86a9-e76df5856c46 · Oct 31
£3,144 GBP
$4,213 USD
View
3 more retailers have this diamond
Prices start from £1,787 GBPSave up to £1,358 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
4.05ct Round
£1,787 GBP