CaratHunter
Plans
Round|Lab Grown|IGI

1.83ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG804603239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804603239

Diamond specifications and retailer prices

From £276 GBP
$368 USD
As of October 30, 2026
Save £2,224 GBP (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £2,501 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.83ct lab-grown round diamond

This 1.83ct 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 LG804603239 or 804603239. Listed at 27 retailers as of October 29, 2026, with prices from £276 to £2,501, a £2,224 spread on the same certified stone. Brilliant Earth lists it at £2,501. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804603239
Dimensions7.84 × 7.78 × 4.86 mm
L/W Ratio1.01
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
7.84 mm7.78 mm1.83 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804603239
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: £2,501 GBP|Low: £276 GBP|High: £2,501 GBP|Avg: £890 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 30, 2026
Retailer 7£276 GBP
Retailer 4£432 GBP
Retailer 13£432 GBP
Retailer 10£498 GBP
Retailer 12£527 GBP
Retailer 2£548 GBP
Retailer 5£565 GBP
Retailer 9£695 GBP
Retailer 11£716 GBP
Retailer 16£900 GBP
Retailer 17£927 GBP
Retailer 8£1,020 GBP
Retailer 3£1,077 GBP
Retailer 6£1,207 GBP
Retailer 14£1,232 GBP
Retailer 15£1,937 GBP
Brilliant Earth£2,501 GBP

38 data points across 17 retailers

27 retailers£276 GBP to £2,501 GBP

Retailer 1
-
£248 GBP
$330 USD
Price last confirmed 19 days ago
Retailer 2
-
£255 GBP
$340 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£276 GBP
$368 USD
View
Final sale: no returns
Retailer 4
-
£296 GBP
$394 USD
View
Price last confirmed 38 days ago
Retailer 5
-
£307 GBP
$409 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£307 GBP
$409 USD
View
Price last confirmed 27 days ago
Retailer 7
-
£312 GBP
$416 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
£432 GBP
$575 USD
View
A
Retailer 9
-
£432 GBP
$575 USD
View
A
Retailer 10
-
£498 GBP
€632 EUR
View
A
Retailer 11
-
£527 GBP
ZAR 11,347 ZAR
View
A
Retailer 12
-
£548 GBP
View
A
Retailer 13
-
£565 GBP
$753 USD
View
A
Retailer 14
-
£695 GBP
$925 USD
View
A
Retailer 15
-
£716 GBP
A$1,466 AUD
View
B+
Retailer 16
-
£900 GBP
$1,199 USD
View
B+
Retailer 17
-
£927 GBP
$1,235 USD
View
Retailer 18
-
£987 GBP
$1,314 USD
View
Price last confirmed 22 days ago
Retailer 19
-
£1,016 GBP
$1,353 USD
View
Price last confirmed 39 days ago
B+
Retailer 20
-
£1,020 GBP
$1,358 USD
View
B+
Retailer 21
-
£1,077 GBP
$1,434 USD
View
B+
Retailer 22
-
£1,159 GBP
$1,544 USD
View
B+
Retailer 23
-
£1,207 GBP
$1,607 USD
View
B+
Retailer 24
-
£1,232 GBP
View
B
Retailer 25
-
£1,874 GBP
$2,495 USD
View
B
Retailer 26
-
£1,937 GBP
$2,580 USD
View
Most Expensive
B
Brilliant Earth
20382663A · Oct 29
£2,501 GBP
$3,330 USD
View
26 more retailers have this diamond
Prices start from £276 GBPSave up to £2,224 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
1.83ct Round
£276 GBP