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Round|Lab Grown|GIA

6.09ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 1537494750

Certificate GIA 1537494750

Diamond specifications and retailer prices

From £28,787 GBP
$38,571 USD
As of October 30, 2026
Save £15,730 GBP (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £44,516 GBP at Brilliance · As of November 1, 2026
View at Brilliance

About this 6.09ct lab-grown round diamond

This 6.09ct 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 1537494750. Listed at 10 retailers as of October 30, 2026, with prices from £28,787 to £44,516, a £15,730 spread on the same certified stone. Brilliance lists it at £44,516. 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

6.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1537494750
Dimensions11.73 × 11.66 × 7.27 mm
L/W Ratio1.01
Culet sizeNone
Top View
11.73 mm11.66 mm6.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537494750
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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 30
Current: £44,516 GBP|Low: £28,787 GBP|High: £107,993 GBP|Avg: £47,379 GBP|-15.3%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9£28,787 GBP
Retailer 4£30,321 GBP
Retailer 10£31,601 GBP
Retailer 7£34,040 GBP
Retailer 3£34,455 GBP
Retailer 11£35,598 GBP
Retailer 5£35,712 GBP
Retailer 6£43,373 GBP
Brilliance£44,516 GBP
Retailer 2£60,817 GBP
Retailer 8£73,328 GBP
Retailer 12£99,993 GBP

26 data points across 12 retailers

10 retailers£28,787 GBP to £44,516 GBP

B+
Cheapest Retailer
-
£28,787 GBP
$38,571 USD
B+
Retailer 2
-
£31,601 GBP
$42,342 USD
View
B+
Retailer 3
-
£34,040 GBP
$45,610 USD
View
B
Retailer 4
-
£35,598 GBP
$47,697 USD
View
B+
Retailer 5
-
£35,712 GBP
View
B
Retailer 6
-
£43,373 GBP
View
Most Expensive
B
Brilliance
D42111494 · Nov 1
£44,516 GBP
$59,647 USD
View
6 more retailers have this diamond
Prices start from £28,787 GBPSave up to £15,730 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+
6.09ct Round
£28,787 GBP