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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG761558874

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761558874

Diamond specifications and retailer prices

From £204 GBP
$271 USD
As of October 29, 2026
Save £1,606 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,418 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761558874 or 761558874. Listed at 19 retailers as of October 29, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761558874
Dimensions6.44 × 6.48 × 4.03 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
6.44 mm6.48 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761558874
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: £1,810 GBP|Low: £204 GBP|High: £1,892 GBP|Avg: £594 GBP|-4.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 10£204 GBP
Retailer 7£228 GBP
Retailer 3£237 GBP
Retailer 6£253 GBP
Retailer 16£253 GBP
Retailer 17£319 GBP
Retailer 8£338 GBP
Retailer 15£372 GBP
Retailer 2£444 GBP
Retailer 14£479 GBP
Retailer 4£491 GBP
Retailer 11£494 GBP
Retailer 9£719 GBP
Retailer 18£897 GBP
Retailer 5£1,020 GBP
Retailer 12£1,124 GBP
Retailer 13£1,382 GBP
Do Amore Diamonds£1,810 GBP

26 data points across 18 retailers

19 retailers£204 GBP to £1,810 GBP

A+
Cheapest Retailer
-
£204 GBP
$271 USD
A
Retailer 2
-
£228 GBP
$304 USD
View
Final sale: no returns
A
Retailer 3
-
£237 GBP
$315 USD
View
A
Retailer 4
-
£253 GBP
$337 USD
View
A
Retailer 5
-
£253 GBP
$337 USD
View
A
Retailer 6
-
£319 GBP
$425 USD
View
A
Retailer 7
-
£338 GBP
$450 USD
View
B+
Retailer 8
-
£372 GBP
$495 USD
View
B+
Retailer 9
-
£444 GBP
View
B+
Retailer 10
-
£479 GBP
ZAR 10,313 ZAR
View
B+
Retailer 11
-
£491 GBP
$654 USD
View
B+
Retailer 12
-
£494 GBP
View
B+
Retailer 13
-
£719 GBP
$958 USD
View
B+
Retailer 14
-
£897 GBP
$1,194 USD
View
B+
Retailer 15
-
£1,020 GBP
$1,359 USD
View
B
Retailer 16
-
£1,124 GBP
View
B
Retailer 17
-
£1,382 GBP
$1,840 USD
View
B
Retailer 18
-
£1,810 GBP
$2,410 USD
View
Most Expensive
Do Amore Diamonds
23-761558874 · Oct 30
£2,418 GBP
$3,220 USD
View
Price under review
18 more retailers have this diamond
Prices start from £204 GBPSave up to £1,606 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+
1.03ct Round
£204 GBP