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Round|Lab Grown|IGI

1.04ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG787656896

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787656896

Diamond specifications and retailer prices

From £315 GBP
$419 USD
As of October 28, 2026
Save £1,435 GBP (82%) vs most expensive(unlock to see where)
21 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 LG787656896 or 787656896. Listed at 21 retailers as of October 28, 2026, with prices from £315 to £1,750, a £1,435 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787656896
Dimensions6.55 × 6.57 × 4.00 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
6.55 mm6.57 mm1.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787656896
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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 28
Current: £1,750 GBP|Low: £270 GBP|High: £1,750 GBP|Avg: £717 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
October 30, 2026
Retailer 15£281 GBP
Retailer 7£315 GBP
Retailer 12£447 GBP
Retailer 3£467 GBP
Retailer 5£524 GBP
Retailer 2£554 GBP
Retailer 13£570 GBP
Retailer 10£589 GBP
Retailer 11£599 GBP
Retailer 8£628 GBP
Retailer 14£870 GBP
Retailer 4£924 GBP
Retailer 6£1,120 GBP
Retailer 9£1,369 GBP
Brilliant Earth£1,750 GBP

41 data points across 15 retailers

21 retailers£315 GBP to £1,750 GBP

Retailer 1
-
£281 GBP
$374 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£315 GBP
$419 USD
View
Final sale: no returns
Retailer 3
-
£326 GBP
$434 USD
View
Price last confirmed 16 days ago
Retailer 4
-
£348 GBP
$464 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£348 GBP
$464 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£446 GBP
$594 USD
View
B+
Retailer 7
-
£447 GBP
$595 USD
View
B+
Retailer 8
-
£467 GBP
$622 USD
View
B+
Retailer 9
-
£524 GBP
$698 USD
View
B+
Retailer 10
-
£554 GBP
View
B+
Retailer 11
-
£570 GBP
A$1,168 AUD
View
B+
Retailer 12
-
£589 GBP
€747 EUR
View
B+
Retailer 13
-
£599 GBP
ZAR 12,880 ZAR
View
B+
Retailer 14
-
£628 GBP
View
B
Retailer 15
-
£870 GBP
$1,159 USD
View
B
Retailer 16
-
£924 GBP
SGD 1,663 SGD
View
Retailer 17
-
£1,120 GBP
$1,491 USD
View
Price last confirmed 29 days ago
B
Retailer 18
-
£1,149 GBP
$1,530 USD
View
B
Retailer 19
-
£1,314 GBP
$1,749 USD
View
B
Retailer 20
-
£1,369 GBP
View
Most Expensive
B
Brilliant Earth
19885387A · Oct 29
£1,750 GBP
$2,330 USD
View
20 more retailers have this diamond
Prices start from £315 GBPSave up to £1,435 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
£315 GBP