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Round|Lab Grown|IGI

1.04ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG842605486

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842605486

Diamond specifications and retailer prices

From £230 GBP
$308 USD
As of October 28, 2026
Save £1,345 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,575 GBP at Brilliant Earth · As of October 28, 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 LG842605486 or 842605486. Listed at 13 retailers as of October 28, 2026, with prices from £230 to £1,575, a £1,345 spread on the same certified stone. Brilliant Earth lists it at £1,575. 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 angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605486
Dimensions6.47 × 6.50 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.47 mm6.50 mm1.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842605486
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.7%

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 28
Current: £418 GBP|Low: £230 GBP|High: £1,095 GBP|Avg: £521 GBP|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12£230 GBP
Retailer 2£287 GBP
Retailer 4£343 GBP
Retailer 10£343 GBP
Retailer 7£406 GBP
Retailer 1£418 GBP
Retailer 6£438 GBP
Retailer 9£444 GBP
Retailer 5£620 GBP
Retailer 8£680 GBP
Retailer 3£785 GBP
Retailer 11£1,026 GBP

22 data points across 12 retailers

13 retailers£230 GBP to £1,575 GBP

A+
Cheapest Retailer
-
£230 GBP
$308 USD
Final sale: no returns
A
Retailer 2
-
£287 GBP
HK$3,000 HKD
View
A
Retailer 3
-
£343 GBP
$460 USD
View
A
Retailer 4
-
£343 GBP
$460 USD
View
A
Retailer 5
-
£406 GBP
View
A
Retailer 6
-
£418 GBP
€533 EUR
View
B+
Retailer 7
-
£438 GBP
ZAR 9,475 ZAR
View
B+
Retailer 8
-
£444 GBP
View
B+
Retailer 9
-
£620 GBP
A$1,278 AUD
View
B+
Retailer 10
-
£680 GBP
SGD 1,231 SGD
View
B+
Retailer 11
-
£785 GBP
$1,052 USD
View
B+
Retailer 12
-
£1,026 GBP
View
Most Expensive
B
Brilliant Earth
21711472A · Oct 28
£1,575 GBP
$2,110 USD
View
12 more retailers have this diamond
Prices start from £230 GBPSave up to £1,345 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
£230 GBP