Oval|Lab Grown|GCAL

5.12ct D FL Oval Lab Grown Diamond

EX • D/FL • GCAL 361386132

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 361386132

Diamond specifications and retailer prices

From $12,000 USD
As of October 29, 2026
Save $33,632 USD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $45,632 USD at William & Sons Jewelers · As of October 31, 2026
View at William & Sons Jewelers

About this 5.12ct lab-grown oval diamond

This 5.12ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 361386132. Listed at 9 retailers as of October 29, 2026, with prices from $12,000 to $45,632, a $33,632 spread on the same certified stone. William & Sons Jewelers lists it at $45,632. 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

5.12
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361386132
Dimensions13.34 × 9.60 × 6.05 mm
L/W Ratio1.39
Culet sizeNone
Top View
13.34 mm9.60 mm5.12 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361386132
Side View
Table 58.0%Crown 35.5°GirdlePavilion 39.6°Culet: NoneDepth 63.0%

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: $23,161 USD|Low: $12,000 USD|High: $182,520 USD|Avg: $46,712 USD|-62.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
William & Sons Jewelers
October 29, 2026
Retailer 3$12,000 USD
Retailer 9$12,049 USD
Retailer 8$12,480 USD
Retailer 7$14,400 USD
Retailer 6$14,769 USD
Retailer 4$14,844 USD
Retailer 1$23,161 USD
William & Sons Jewelers$45,632 USD
Retailer 5$53,760 USD
Retailer 2$53,988 USD
Retailer 10$111,354 USD

23 data points across 11 retailers

9 retailers$12,000 USD to $45,632 USD

A
Cheapest Retailer
-
$12,000 USD
A
Retailer 2
-
$12,049 USD
View
A
Retailer 3
-
$12,480 USD
View
A
Retailer 4
-
$14,400 USD
View
A
Retailer 5
-
$14,769 USD
View
A
Retailer 6
-
$14,844 USD
View
B+
Retailer 7
-
$23,161 USD
£18,237 GBP
View
Most Expensive
B
William & Sons Jewelers
cert_361386132 · Oct 31
$45,632 USD
View
Final sale: no returns
7 more retailers have this diamond
Prices start from $12,000 USDSave up to $33,632 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.

A
5.12ct Oval
$12,000 USD