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Round|Lab Grown|IGI

1.85ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809650846

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809650846

Diamond specifications and retailer prices

From £288 GBP
$384 USD
As of October 30, 2026
Save £2,002 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,606 GBP at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 1.85ct lab-grown round diamond

This 1.85ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809650846 or 809650846. Listed at 16 retailers as of October 29, 2026, with a 694% 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

1.85
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809650846
Dimensions7.94 × 7.92 × 4.79 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
7.94 mm7.92 mm1.85 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809650846
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

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 30
Current: £2,606 GBP|Low: £211 GBP|High: £2,606 GBP|Avg: £991 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
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Retailer 17
Retailer 18
October 29, 2026
Retailer 6£288 GBP
Retailer 15£514 GBP
Retailer 12£514 GBP
Retailer 10£527 GBP
Retailer 11£549 GBP
Retailer 7£569 GBP
Retailer 5£577 GBP
Retailer 18£738 GBP
Retailer 2£741 GBP
Retailer 8£749 GBP
Retailer 14£936 GBP
Retailer 17£1,146 GBP
Retailer 16£1,158 GBP
Retailer 4£1,206 GBP
Retailer 13£1,282 GBP
Retailer 9£1,762 GBP
Retailer 3£2,290 GBP
Brilliant Earth£2,606 GBP

21 data points across 18 retailers

16 retailers£288 GBP to £2,290 GBP

A
Cheapest Retailer
-
£288 GBP
$384 USD
Final sale: no returns
A
Retailer 2
-
£514 GBP
$684 USD
View
A
Retailer 3
-
£514 GBP
$685 USD
View
A
Retailer 4
-
£549 GBP
ZAR 11,805 ZAR
View
A
Retailer 5
-
£577 GBP
$769 USD
View
A
Retailer 6
-
£738 GBP
$983 USD
View
A
Retailer 7
-
£741 GBP
A$1,518 AUD
View
Retailer 8
-
£749 GBP
$997 USD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
£936 GBP
$1,247 USD
View
B+
Retailer 10
-
£1,146 GBP
$1,526 USD
View
B+
Retailer 11
-
£1,158 GBP
$1,542 USD
View
B+
Retailer 12
-
£1,206 GBP
$1,606 USD
View
B+
Retailer 13
-
£1,282 GBP
View
Retailer 14
-
£1,762 GBP
$2,346 USD
View
Price last confirmed 51 days ago
B
Retailer 15
-
£2,290 GBP
$3,050 USD
View
Most Expensive
Brilliant Earth
20536737A · Sep 23
£2,606 GBP
$3,470 USD
View
Price last confirmed 36 days ago
15 more retailers have this diamond
Prices start from £288 GBPSave up to £2,002 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
1.85ct Round
£288 GBP