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Princess|Lab Grown|GCAL

4.15ct D FL Princess Lab Grown Diamond

EX • D/FL • GCAL 361666030

Shape and cutting style on the report: Princess

Certificate GCAL 361666030

Diamond specifications and retailer prices

From £6,613 GBP
$8,861 USD
As of October 30, 2026
Save £10,475 GBP (61%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £17,089 GBP at William & Sons Jewelers · As of October 29, 2026
View at William & Sons Jewelers

About this 4.15ct lab-grown princess diamond

This 4.15ct lab-grown princess 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 GCAL 361666030. Listed at 9 retailers as of October 29, 2026, with prices from £6,613 to £17,089, a £10,475 spread on the same certified stone. William & Sons Jewelers lists it at £17,089. 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

4.15
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361666030
Dimensions8.71 × 8.67 × 6.21 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.71 mm8.67 mm4.15 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361666030
Side View
Table 68.0%Crown 45.5°GirdlePavilion 37.2°Culet: NoneDepth 71.7%

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 30
Current: £13,676 GBP|Low: £6,613 GBP|High: £71,775 GBP|Avg: £18,545 GBP|-55.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
William & Sons Jewelers
October 29, 2026
Retailer 2£6,613 GBP
Retailer 8£6,868 GBP
Retailer 7£6,878 GBP
Retailer 6£7,936 GBP
Retailer 4£8,398 GBP
Retailer 3£8,874 GBP
Retailer 1£13,676 GBP
William & Sons Jewelers£17,089 GBP
Retailer 5£41,265 GBP

25 data points across 9 retailers

9 retailers£6,613 GBP to £17,089 GBP

A
Cheapest Retailer
-
£6,613 GBP
$8,861 USD
A
Retailer 2
-
£6,868 GBP
$9,202 USD
View
A
Retailer 3
-
£6,878 GBP
$9,216 USD
View
A
Retailer 4
-
£7,936 GBP
$10,633 USD
View
A
Retailer 5
-
£8,398 GBP
$11,252 USD
View
B+
Retailer 6
-
£8,874 GBP
$11,890 USD
View
B+
Retailer 7
-
£13,676 GBP
View
Most Expensive
B
William & Sons Jewelers
cert_361666030 · Oct 29
£17,089 GBP
$22,897 USD
View
Final sale: no returns
7 more retailers have this diamond
Prices start from £6,613 GBPSave up to £10,475 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
4.15ct Princess
£6,613 GBP