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Round|Lab Grown|IGI

5.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG784647003

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784647003

Diamond specifications and retailer prices

From £3,879 GBP
$5,166 USD
As of October 29, 2026
Save £22,809 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £26,688 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 5.03ct lab-grown round diamond

This 5.03ct 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 IGI LG784647003 or 784647003. Listed at 14 retailers as of October 28, 2026, with prices from £3,879 to £26,688, a £22,809 spread on the same certified stone. Do Amore Diamonds lists it at £26,688. 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

5.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784647003
Dimensions11.07 × 11.01 × 6.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.07 mm11.01 mm5.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784647003
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: £26,688 GBP|Low: £3,879 GBP|High: £30,060 GBP|Avg: £9,813 GBP|-11.2%
Do Amore Diamonds
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
October 29, 2026
Retailer 12£3,879 GBP
Retailer 3£4,066 GBP
Retailer 13£4,093 GBP
Retailer 6£5,160 GBP
Retailer 4£5,549 GBP
Retailer 10£5,549 GBP
Retailer 14£5,642 GBP
Retailer 15£5,897 GBP
Retailer 9£6,353 GBP
Retailer 11£6,953 GBP
Retailer 8£8,657 GBP
Retailer 7£9,810 GBP
Retailer 2£10,161 GBP
Retailer 5£24,901 GBP
Do Amore Diamonds£26,688 GBP

35 data points across 15 retailers

14 retailers£3,879 GBP to £26,688 GBP

A+
Cheapest Retailer
-
£3,879 GBP
$5,166 USD
A+
Retailer 2
-
£4,066 GBP
$5,414 USD
View
A
Retailer 3
-
£4,093 GBP
$5,451 USD
View
A
Retailer 4
-
£5,160 GBP
$6,872 USD
View
Final sale: no returns
A
Retailer 5
-
£5,549 GBP
$7,390 USD
View
A
Retailer 6
-
£5,549 GBP
$7,390 USD
View
A
Retailer 7
-
£5,642 GBP
$7,514 USD
View
A
Retailer 8
-
£5,897 GBP
$7,853 USD
View
A
Retailer 9
-
£6,353 GBP
$8,460 USD
View
A
Retailer 10
-
£6,953 GBP
$9,259 USD
View
A
Retailer 11
-
£8,657 GBP
€10,979 EUR
View
A
Retailer 12
-
£10,161 GBP
View
B
Retailer 13
-
£24,901 GBP
$33,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-8B79FA81B · Oct 28
£26,688 GBP
$35,540 USD
View
13 more retailers have this diamond
Prices start from £3,879 GBPSave up to £22,809 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.

A+
5.03ct Round
£3,879 GBP