CaratHunter
Plans
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 $13,500 AUD
$9,483 USD
As of October 31, 2026
Save $38,208 AUD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $51,708 AUD at William & Sons Jewelers · As of October 31, 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 31, 2026, with prices from $13,500 to $51,708, a $38,208 spread on the same certified stone. William & Sons Jewelers lists it at $51,708. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $27,215 AUD|Low: $13,500 AUD|High: $206,835 AUD|Avg: $78,986 AUD|-63.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
William & Sons Jewelers
November 1, 2026
Retailer 5$13,500 AUD
Retailer 2$17,748 AUD
Retailer 1$27,215 AUD
Retailer 4$42,818 AUD
William & Sons Jewelers$51,708 AUD
Retailer 6$66,817 AUD
Retailer 3$82,555 AUD
Retailer 7$132,099 AUD
Retailer 8$149,595 AUD

19 data points across 9 retailers

6 retailers$13,500 AUD to $51,708 AUD

A
Cheapest Retailer
-
$13,500 AUD
$9,483 USD
A
Retailer 2
-
$17,748 AUD
$12,467 USD
View
B+
Retailer 3
-
$27,215 AUD
£15,053 GBP
View
B
Retailer 4
-
$42,818 AUD
$30,077 USD
View
Most Expensive
B
William & Sons Jewelers
cert_360876045 · Oct 31
$51,708 AUD
$36,322 USD
View
Final sale: no returns
4 more retailers have this diamond
Prices start from $13,500 AUDSave up to $38,208 AUD

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
$13,500 AUD