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Round|Lab Grown|IGI

1.04ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770638473

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770638473

Diamond specifications and retailer prices

From £247 GBP
$329 USD
As of October 29, 2026
Save £1,503 GBP (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,750 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.04ct lab-grown round diamond

This 1.04ct 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 LG770638473 or 770638473. Listed at 22 retailers as of October 29, 2026, with prices from £247 to £1,750, a £1,503 spread on the same certified stone. Brilliant Earth lists it at £1,750. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770638473
Dimensions6.44 × 6.47 × 4.05 mm
L/W Ratio1.00
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 mm6.47 mm1.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770638473
Side View
Table 56.0%Crown 35.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.7%

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: £1,750 GBP|Low: £237 GBP|High: £1,750 GBP|Avg: £597 GBP
Brilliant Earth
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
October 29, 2026
Retailer 16£247 GBP
Retailer 5£277 GBP
Retailer 8£287 GBP
Retailer 4£307 GBP
Retailer 9£307 GBP
Retailer 3£413 GBP
Retailer 14£421 GBP
Retailer 6£485 GBP
Retailer 15£489 GBP
Retailer 12£527 GBP
Retailer 11£542 GBP
Retailer 2£546 GBP
Retailer 13£900 GBP
Retailer 7£986 GBP
Retailer 17£1,206 GBP
Retailer 10£1,236 GBP
Brilliant Earth£1,750 GBP

43 data points across 17 retailers

22 retailers£247 GBP to £1,750 GBP

A
Cheapest Retailer
-
£247 GBP
$329 USD
A
Retailer 2
-
£277 GBP
$369 USD
View
Final sale: no returns
A
Retailer 3
-
£287 GBP
$382 USD
View
A
Retailer 4
-
£307 GBP
$409 USD
View
A
Retailer 5
-
£307 GBP
$409 USD
View
A
Retailer 6
-
£336 GBP
HK$3,500 HKD
View
A
Retailer 7
-
£413 GBP
$550 USD
View
A
Retailer 8
-
£421 GBP
$560 USD
View
B+
Retailer 9
-
£434 GBP
$578 USD
View
B+
Retailer 10
-
£485 GBP
$646 USD
View
Retailer 11
-
£489 GBP
View
Price last confirmed 12 days ago
B+
Retailer 12
-
£527 GBP
ZAR 11,340 ZAR
View
B+
Retailer 13
-
£542 GBP
€688 EUR
View
B+
Retailer 14
-
£546 GBP
View
B
Retailer 15
-
£819 GBP
SGD 1,473 SGD
View
B
Retailer 16
-
£900 GBP
$1,198 USD
View
B
Retailer 17
-
£986 GBP
$1,313 USD
View
B
Retailer 18
-
£1,019 GBP
$1,357 USD
View
B
Retailer 19
-
£1,107 GBP
$1,474 USD
View
B
Retailer 20
-
£1,206 GBP
$1,607 USD
View
B
Retailer 21
-
£1,236 GBP
View
Most Expensive
B
Brilliant Earth
19002084A · Oct 29
£1,750 GBP
$2,330 USD
View
21 more retailers have this diamond
Prices start from £247 GBPSave up to £1,503 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
1.04ct Round
£247 GBP