Round|Lab Grown|GCAL

5.18ct D FL Round Lab Grown Diamond

EX • D/FL • GCAL 360876045

Certificate GCAL 360876045

Diamond specifications and retailer prices

From $9,483 USD
As of October 31, 2026
Save $26,839 USD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $36,322 USD at William & Sons Jewelers · As of October 29, 2026
View at William & Sons Jewelers

About this 5.18ct lab-grown round diamond

This 5.18ct lab-grown round 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 360876045. Listed at 6 retailers as of October 29, 2026, with prices from $9,483 to $36,322, a $26,839 spread on the same certified stone. William & Sons Jewelers lists it at $36,322. 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

5.18
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360876045
Dimensions11.64 × 9.32 × 6.04 mm
L/W Ratio1.25
Top View
11.64 mm9.32 mm5.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360876045
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $19,219 USD|Low: $9,483 USD|High: $145,290 USD|Avg: $56,054 USD|-63.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
William & Sons Jewelers
October 29, 2026
Retailer 5$9,483 USD
Retailer 2$12,467 USD
Retailer 1$19,219 USD
Retailer 4$30,077 USD
William & Sons Jewelers$36,322 USD
Retailer 6$46,935 USD
Retailer 3$57,990 USD
Retailer 7$92,792 USD
Retailer 8$105,082 USD

18 data points across 9 retailers

6 retailers$9,483 USD to $36,322 USD

A
Cheapest Retailer
-
$9,483 USD
A
Retailer 2
-
$12,467 USD
View
B+
Retailer 3
-
$19,219 USD
£15,133 GBP
View
B
Retailer 4
-
$30,077 USD
View
Most Expensive
B
William & Sons Jewelers
cert_360876045 · Oct 29
$36,322 USD
View
Final sale: no returns
4 more retailers have this diamond
Prices start from $9,483 USDSave up to $26,839 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
5.18ct Round
$9,483 USD