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Round|Lab Grown|IGI

5.03ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG685513893

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685513893

Diamond specifications and retailer prices

From £4,055 GBP
$5,388 USD
As of October 29, 2026
Save £20,351 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £24,406 GBP at Do Amore Diamonds · As of October 29, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG685513893 or 685513893. Listed at 18 retailers as of October 29, 2026, with prices from £4,055 to £24,406, a £20,351 spread on the same certified stone. Do Amore Diamonds lists it at £24,406. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685513893
Dimensions11.06 × 11.01 × 6.75 mm
L/W Ratio1.00
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
11.06 mm11.01 mm5.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685513893
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £24,406 GBP|Low: £4,055 GBP|High: £27,251 GBP|Avg: £9,380 GBP|-10.4%
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
October 29, 2026
Retailer 12£4,055 GBP
Retailer 7£4,139 GBP
Retailer 13£4,505 GBP
Retailer 10£5,223 GBP
Retailer 11£5,592 GBP
Retailer 14£6,363 GBP
Retailer 6£6,534 GBP
Retailer 2£7,620 GBP
Retailer 3£8,647 GBP
Retailer 8£9,256 GBP
Retailer 9£9,466 GBP
Retailer 5£10,174 GBP
Retailer 4£15,202 GBP
Do Amore Diamonds£24,406 GBP

33 data points across 14 retailers

18 retailers£4,055 GBP to £24,406 GBP

A
Retailer 1
-
£3,803 GBP
$5,053 USD
Price last confirmed 27 days ago
Returns within 21 days
A
Retailer 2
-
£4,055 GBP
$5,388 USD
View
Returns within 30 days
A
Retailer 3
-
£4,139 GBP
$5,500 USD
View
Returns within 40 days
A
Retailer 4
-
£4,151 GBP
$5,516 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£4,505 GBP
$5,986 USD
View
Final sale: no returns
A
Retailer 6
-
£5,223 GBP
$6,940 USD
View
Returns within 30 days
A
Retailer 7
-
£5,592 GBP
$7,430 USD
View
Price last confirmed 11 days ago
Returns within 30 days
A
Retailer 8
-
£5,978 GBP
$7,944 USD
View
Price last confirmed 39 days ago
Returns within 30 days
A
Retailer 9
-
£6,021 GBP
$8,000 USD
View
Price last confirmed 28 days ago
Returns within 30 days
A
Retailer 10
-
£6,363 GBP
$8,455 USD
View
Returns within 30 days
A
Retailer 11
-
£6,534 GBP
$8,682 USD
View
Returns within 30 days
A
Retailer 12
-
£7,620 GBP
€9,643 EUR
View
Returns within 100 days
A
Retailer 13
-
£8,647 GBP
$11,490 USD
View
Returns within 30 days
A
Retailer 14
-
£9,256 GBP
View
A
Retailer 15
-
£9,466 GBP
A$19,351 AUD
View
A
Retailer 16
-
£10,174 GBP
$13,519 USD
View
Returns within 30 days
B+
Retailer 17
-
£15,202 GBP
$20,200 USD
View
Returns within 30 days
Most Expensive
B
Do Amore Diamonds
27-51E6F6F4A · Oct 29
£24,406 GBP
$32,430 USD
View
Returns within 60 days
17 more retailers have this diamond
Prices start from £4,055 GBPSave up to £20,351 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
£4,055 GBP