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Round|Lab Grown|IGI

5.03ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG762544369

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762544369

Diamond specifications and retailer prices

From £5,128 GBP
$6,814 USD
As of October 29, 2026
Save £16,185 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £21,314 GBP at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

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 LG762544369 or 762544369. Listed at 15 retailers as of October 28, 2026, with prices from £5,128 to £21,314, a £16,185 spread on the same certified stone. Taylor and Hart lists it at £21,314. 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 angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544369
Dimensions11.02 × 11.09 × 6.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
11.02 mm11.09 mm5.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544369
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
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: £10,566 GBP|Low: £5,128 GBP|High: £20,679 GBP|Avg: £12,143 GBP|+2.6%
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
October 29, 2026
Retailer 2£5,128 GBP
Retailer 11£5,592 GBP
Retailer 6£7,683 GBP
Retailer 13£10,444 GBP
Retailer 1£10,566 GBP
Retailer 5£10,766 GBP
Retailer 3£12,374 GBP
Retailer 8£12,405 GBP
Retailer 9£12,769 GBP
Retailer 10£15,202 GBP
Retailer 4£17,322 GBP
Retailer 7£19,040 GBP
Retailer 12£20,679 GBP

44 data points across 13 retailers

15 retailers£5,128 GBP to £21,314 GBP

A
Cheapest Retailer
-
£5,128 GBP
$6,814 USD
A
Retailer 2
-
£5,592 GBP
$7,430 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
£5,642 GBP
$7,497 USD
View
A
Retailer 4
-
£6,599 GBP
$8,768 USD
View
A
Retailer 5
-
£6,907 GBP
HK$71,700 HKD
View
A
Retailer 6
-
£7,683 GBP
View
A
Retailer 7
-
£10,444 GBP
$13,877 USD
View
A
Retailer 8
-
£10,566 GBP
€13,371 EUR
View
B+
Retailer 9
-
£12,405 GBP
View
B+
Retailer 10
-
£12,769 GBP
ZAR 274,104 ZAR
View
B+
Retailer 11
-
£15,202 GBP
$20,200 USD
View
B+
Retailer 12
-
£17,322 GBP
$23,017 USD
View
B
Retailer 13
-
£19,040 GBP
$25,300 USD
View
B
Retailer 14
-
£20,679 GBP
A$42,273 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Taylor and Hart
QJ2O8QQ · Oct 28
£21,314 GBP
$28,321 USD
View
14 more retailers have this diamond
Prices start from £5,128 GBPSave up to £16,185 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
£5,128 GBP