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Round|Lab Grown|GIA

4.18ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 7511404494

Certificate GIA 7511404494

Diamond specifications and retailer prices

From £3,552 GBP
$4,730 USD
As of October 29, 2026
Save £20,883 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £24,435 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown round diamond

This 4.18ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7511404494. Listed at 15 retailers as of October 28, 2026, with prices from £3,552 to £24,435, a £20,883 spread on the same certified stone. Do Amore Diamonds lists it at £24,435. 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

4.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 7511404494
Dimensions10.33 × 10.37 × 6.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Minor Details of Polish
Top View
10.33 mm10.37 mm4.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7511404494
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: £24,435 GBP|Low: £3,483 GBP|High: £24,961 GBP|Avg: £7,463 GBP|-2.1%
Do Amore Diamonds
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
October 29, 2026
Retailer 11£3,552 GBP
Retailer 3£3,722 GBP
Retailer 12£3,797 GBP
Retailer 7£3,830 GBP
Retailer 5£4,064 GBP
Retailer 14£4,145 GBP
Retailer 8£4,214 GBP
Retailer 13£5,263 GBP
Retailer 15£5,399 GBP
Retailer 10£6,371 GBP
Retailer 9£7,658 GBP
Retailer 6£8,014 GBP
Retailer 2£9,304 GBP
Retailer 4£12,043 GBP
Do Amore Diamonds£24,435 GBP

30 data points across 15 retailers

15 retailers£3,552 GBP to £24,435 GBP

A
Cheapest Retailer
-
£3,552 GBP
$4,730 USD
A
Retailer 2
-
£3,722 GBP
$4,957 USD
View
A
Retailer 3
-
£3,797 GBP
$5,056 USD
View
A
Retailer 4
-
£3,830 GBP
$5,100 USD
View
A
Retailer 5
-
£4,064 GBP
$5,412 USD
View
Final sale: no returns
A
Retailer 6
-
£4,145 GBP
$5,520 USD
View
A
Retailer 7
-
£4,214 GBP
$5,612 USD
View
B+
Retailer 8
-
£5,263 GBP
$7,008 USD
View
B+
Retailer 9
-
£5,399 GBP
$7,190 USD
View
B+
Retailer 10
-
£6,371 GBP
$8,484 USD
View
B+
Retailer 11
-
£7,658 GBP
€9,712 EUR
View
B+
Retailer 12
-
£9,304 GBP
View
Retailer 13
-
£12,043 GBP
A$24,673 AUD
View
Price last confirmed 21 days ago
B
Retailer 14
-
£12,510 GBP
$16,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-B31BBA571 · Oct 28
£24,435 GBP
$32,540 USD
View
14 more retailers have this diamond
Prices start from £3,552 GBPSave up to £20,883 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
4.18ct Round
£3,552 GBP