Oval|Lab Grown|GCAL

3.78ct E FL Oval Lab Grown Diamond

ID • E/FL • GCAL 360777376

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 360777376

Diamond specifications and retailer prices

From £9,933 GBP
$13,309 USD
As of October 31, 2026
Save £3,758 GBP (27%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £15,509 GBP at Aurelinne · As of October 31, 2026
View at Aurelinne

About this 3.78ct lab-grown oval diamond

This 3.78ct lab-grown oval 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 GCAL 360777376. Listed at 12 retailers as of October 31, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.78
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360777376
Dimensions12.43 × 8.86 × 5.51 mm
L/W Ratio1.40
Culet sizeNone
Top View
12.43 mm8.86 mm3.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360777376
Side View
Table 58.0%Crown 34.5°Girdle: STN-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £15,509 GBP|Low: £9,933 GBP|High: £50,303 GBP|Avg: £20,579 GBP|+1.4%
Aurelinne
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
October 29, 2026
Retailer 11£9,933 GBP
Retailer 3£11,349 GBP
Retailer 13£12,803 GBP
Retailer 6£12,987 GBP
Retailer 7£13,370 GBP
Retailer 9£13,370 GBP
Retailer 10£13,691 GBP
Retailer 8£14,974 GBP
Aurelinne£15,509 GBP
Retailer 4£18,585 GBP
Retailer 2£26,420 GBP
Retailer 12£26,962 GBP
Retailer 5£40,509 GBP
Retailer 14£50,303 GBP

13 data points across 14 retailers

12 retailers£9,933 GBP to £13,691 GBP

B+
Cheapest Retailer
-
£9,933 GBP
$13,309 USD
B
Retailer 2
-
£11,349 GBP
CA$21,120 CAD
View
Retailer 3
-
£12,803 GBP
$17,154 USD
View
Price last confirmed 12 days ago
B
Retailer 4
-
£12,987 GBP
$17,401 USD
View
B
Retailer 5
-
£13,370 GBP
$17,914 USD
View
B
Retailer 6
-
£13,370 GBP
$17,914 USD
View
B
Retailer 7
-
£13,691 GBP
$18,344 USD
View
Retailer 8
-
£14,974 GBP
$20,063 USD
View
Price under review
Final sale: no returns
Most Expensive
Aurelinne
20ae0d3e-6227-4cc2-92ea-276c3b845b33 · Oct 31
£15,509 GBP
$20,781 USD
View
Price under review
8 more retailers have this diamond
Prices start from £9,933 GBPSave up to £3,758 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.

B+
3.78ct Oval
£9,933 GBP