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Round|Lab Grown|GCAL

4.18ct D IF Round Lab Grown Diamond

EX • D/IF • GCAL 360726351

Shape and cutting style on the report: Round brilliant

Certificate GCAL 360726351

Diamond specifications and retailer prices

From £3,481 GBP
$4,636 USD
As of October 28, 2026
Save £22,095 GBP (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £25,577 GBP at Do Amore Diamonds · As of October 29, 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 GCAL 360726351. Listed at 9 retailers as of October 28, 2026, with prices from £3,481 to £25,577, a £22,095 spread on the same certified stone. Do Amore Diamonds lists it at £25,577. 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360726351
Dimensions10.28 × 10.31 × 6.38 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.28 mm10.31 mm4.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360726351
Side View
Table 57.0%Crown 34.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.9%

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: £25,577 GBP|Low: £3,481 GBP|High: £25,577 GBP|Avg: £11,315 GBP
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
October 28, 2026
Retailer 2£3,481 GBP
Retailer 7£4,124 GBP
Retailer 3£6,154 GBP
Retailer 8£6,579 GBP
Retailer 4£7,337 GBP
Retailer 5£11,536 GBP
Retailer 6£12,509 GBP
Retailer 10£13,795 GBP
Retailer 11£13,795 GBP
Retailer 12£15,013 GBP
Retailer 9£15,850 GBP
Do Amore Diamonds£25,577 GBP

4 data points across 12 retailers

9 retailers£3,481 GBP to £25,577 GBP

A
Cheapest Retailer
-
£3,481 GBP
$4,636 USD
A
Retailer 2
-
£4,124 GBP
CA$7,627 CAD
View
B+
Retailer 3
-
£6,579 GBP
$8,761 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
£7,337 GBP
$9,770 USD
View
B
Retailer 5
-
£11,536 GBP
$15,362 USD
View
B
Retailer 6
-
£13,795 GBP
$18,370 USD
View
B
Retailer 7
-
£13,795 GBP
$18,370 USD
View
B
Retailer 8
-
£15,013 GBP
$19,992 USD
View
Most Expensive
B
Do Amore Diamonds
32-360726351 · Oct 29
£25,577 GBP
$34,060 USD
View
8 more retailers have this diamond
Prices start from £3,481 GBPSave up to £22,095 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
£3,481 GBP