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 $13,309 USD
As of October 30, 2026
Save $5,035 USD (27%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,781 USD at Aurelinne · As of October 29, 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 28, 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
Color
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 30
Current: $20,781 USD|Low: $13,309 USD|High: $67,400 USD|Avg: $27,573 USD|+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$13,309 USD
Retailer 3$15,207 USD
Retailer 13$17,154 USD
Retailer 6$17,401 USD
Retailer 7$17,914 USD
Retailer 9$17,914 USD
Retailer 10$18,344 USD
Retailer 8$20,063 USD
Aurelinne$20,781 USD
Retailer 4$24,901 USD
Retailer 2$35,400 USD
Retailer 12$36,126 USD
Retailer 5$54,278 USD
Retailer 14$67,400 USD

13 data points across 14 retailers

12 retailers$13,309 USD to $18,344 USD

B+
Cheapest Retailer
-
$13,309 USD
B
Retailer 2
-
$15,207 USD
CA$21,120 CAD
View
Retailer 3
-
$17,154 USD
View
Price last confirmed 11 days ago
B
Retailer 4
-
$17,401 USD
View
B
Retailer 5
-
$17,914 USD
View
B
Retailer 6
-
$17,914 USD
View
B
Retailer 7
-
$18,344 USD
View
Retailer 8
-
$20,063 USD
View
Price under review
Final sale: no returns
Most Expensive
Aurelinne
20ae0d3e-6227-4cc2-92ea-276c3b845b33 · Oct 29
$20,781 USD
View
Price under review
8 more retailers have this diamond
Prices start from $13,309 USDSave up to $5,035 USD

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
$13,309 USD