Round|Lab Grown|GIA

5.15ct F FL Round Lab Grown Diamond

EX • F/FL • GIA 1529768151

Certificate GIA 1529768151

Diamond specifications and retailer prices

From €14,018 EUR
$15,661 USD
As of October 31, 2026
Save €17,510 EUR (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €45,739 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.15ct lab-grown round diamond

This 5.15ct lab-grown round sits in the over five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1529768151. Listed at 15 retailers as of October 31, 2026, with a 125% 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

5.15
Carat
F
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1529768151
Dimensions11.15 × 11.07 × 6.78 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Cert comments
This is a man-made diamond.
Top View
11.15 mm11.07 mm5.15 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529768151
Side View
Table 58.0%Crown 34°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 61.0%

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: €15,181 EUR|Low: €14,018 EUR|High: €66,416 EUR|Avg: €23,103 EUR|-9.4%
Retailer 1
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
Retailer 15
Taylor and Hart
October 31, 2026
Retailer 14€14,018 EUR
Retailer 12€14,539 EUR
Retailer 6€14,583 EUR
Retailer 11€14,825 EUR
Retailer 1€15,181 EUR
Retailer 7€16,682 EUR
Retailer 15€17,197 EUR
Retailer 2€17,790 EUR
Retailer 3€18,769 EUR
Retailer 5€18,982 EUR
Retailer 4€21,428 EUR
Retailer 9€29,296 EUR
Retailer 8€31,528 EUR
Retailer 10€36,038 EUR
Taylor and Hart€45,739 EUR
Retailer 13€66,416 EUR

31 data points across 16 retailers

15 retailers€14,018 EUR to €31,528 EUR

B+
Cheapest Retailer
-
€14,018 EUR
$15,661 USD
B+
Retailer 2
-
€14,539 EUR
$16,243 USD
View
Retailer 3
-
€14,583 EUR
$16,292 USD
View
Price last confirmed 111 days ago
B+
Retailer 4
-
€14,825 EUR
$16,563 USD
View
B+
Retailer 5
-
€15,181 EUR
$16,960 USD
View
B+
Retailer 6
-
€17,197 EUR
$19,213 USD
View
B
Retailer 7
-
€17,790 EUR
$19,875 USD
View
Retailer 8
-
€18,769 EUR
$20,969 USD
View
Price last confirmed 8 days ago
Retailer 9
-
€18,982 EUR
$21,207 USD
View
Price last confirmed 15 days ago
Retailer 10
-
€21,428 EUR
$23,940 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
€29,296 EUR
£25,771 GBP
View
B
Retailer 12
-
€31,528 EUR
$35,223 USD
View
Retailer 13
-
€36,038 EUR
View
Price under review
Most Expensive
Taylor and Hart
G55V0UQ · Oct 31
€45,739 EUR
$51,100 USD
View
Price under review
13 more retailers have this diamond
Prices start from €14,018 EURSave up to €17,510 EUR

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+
5.15ct Round
€14,018 EUR