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Round|Lab Grown|GIA

5.09ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 6512791160

Certificate GIA 6512791160

Diamond specifications and retailer prices

From £19,625 GBP
$26,295 USD
As of October 31, 2026
Save £14,819 GBP (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £34,444 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 5.09ct lab-grown round diamond

This 5.09ct 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 GIA 6512791160. Listed at 10 retailers as of October 31, 2026, with prices from £19,625 to £34,444, a £14,819 spread on the same certified stone. MOH London lists it at £34,444. 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

5.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6512791160
Dimensions11.03 × 10.98 × 6.84 mm
L/W Ratio1.00
Culet sizeNone
Top View
11.03 mm10.98 mm5.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512791160
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 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 31
Current: £34,444 GBP|Low: £12,613 GBP|High: £83,574 GBP|Avg: £35,214 GBP|-9.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3£12,613 GBP
Retailer 10£19,625 GBP
Retailer 8£19,746 GBP
Retailer 6£23,312 GBP
Retailer 2£27,208 GBP
Retailer 5£27,532 GBP
Retailer 7£30,409 GBP
MOH London£34,444 GBP
Retailer 4£45,748 GBP
Retailer 9£57,691 GBP
Retailer 11£75,217 GBP

29 data points across 11 retailers

10 retailers£19,625 GBP to £34,444 GBP

B+
Cheapest Retailer
-
£19,625 GBP
$26,295 USD
B+
Retailer 2
-
£19,746 GBP
$26,457 USD
View
B+
Retailer 3
-
£23,312 GBP
$31,236 USD
View
B+
Retailer 4
-
£27,208 GBP
View
B+
Retailer 5
-
£27,532 GBP
$36,890 USD
View
B
Retailer 6
-
£30,409 GBP
$40,745 USD
View
Most Expensive
B
MOH London
6512791160 · Nov 1
£34,444 GBP
View
6 more retailers have this diamond
Prices start from £19,625 GBPSave up to £14,819 GBP

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+
5.09ct Round
£19,625 GBP