Round|Lab Grown|IGI

1.04ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG800683244

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800683244

Diamond specifications and retailer prices

From £151 GBP
$201 USD
As of October 29, 2026
Save £893 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,044 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800683244 or 800683244. Listed at 19 retailers as of October 29, 2026, with prices from £151 to £1,044, a £893 spread on the same certified stone. Brilliant Earth lists it at £1,044. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800683244
Dimensions6.46 × 6.43 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.46 mm6.43 mm1.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800683244
Side View
Table 57.0%Crown 36.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.3%

Caratlytics Score

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A+
Exceptional
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: £1,044 GBP|Low: £129 GBP|High: £1,081 GBP|Avg: £492 GBP|-3.5%
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 9£151 GBP
Retailer 5£168 GBP
Retailer 16£175 GBP
Retailer 14£187 GBP
Retailer 11£312 GBP
Retailer 12£321 GBP
Retailer 6£325 GBP
Retailer 2£341 GBP
Retailer 17£366 GBP
Retailer 15£401 GBP
Retailer 13£457 GBP
Retailer 8£497 GBP
Retailer 3£634 GBP
Retailer 4£641 GBP
Retailer 10£878 GBP
Retailer 7£898 GBP
Brilliant Earth£1,044 GBP

33 data points across 17 retailers

19 retailers£151 GBP to £1,044 GBP

A+
Cheapest Retailer
-
£151 GBP
$201 USD
A
Retailer 2
-
£168 GBP
$224 USD
View
Final sale: no returns
A
Retailer 3
-
£175 GBP
$233 USD
View
A
Retailer 4
-
£187 GBP
$249 USD
View
A
Retailer 5
-
£199 GBP
$265 USD
View
Price last confirmed 44 days ago
A
Retailer 6
-
£312 GBP
€396 EUR
View
A
Retailer 7
-
£321 GBP
ZAR 6,905 ZAR
View
A
Retailer 8
-
£325 GBP
$433 USD
View
A
Retailer 9
-
£341 GBP
View
A
Retailer 10
-
£366 GBP
$487 USD
View
A
Retailer 11
-
£401 GBP
$534 USD
View
B+
Retailer 12
-
£457 GBP
A$936 AUD
View
B+
Retailer 13
-
£497 GBP
$662 USD
View
B+
Retailer 14
-
£591 GBP
$787 USD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
£634 GBP
$844 USD
View
B+
Retailer 16
-
£641 GBP
$854 USD
View
B
Retailer 17
-
£878 GBP
View
B
Retailer 18
-
£898 GBP
$1,196 USD
View
Most Expensive
B
Brilliant Earth
20726056A · Oct 29
£1,044 GBP
$1,390 USD
View
18 more retailers have this diamond
Prices start from £151 GBPSave up to £893 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
£151 GBP