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Round|Lab Grown|IGI

1.55ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG837655224

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837655224

Diamond specifications and retailer prices

From £402 GBP
$539 USD
As of October 30, 2026
Save £1,470 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,026 GBP at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837655224 or 837655224. Listed at 16 retailers as of October 29, 2026, with a 365% 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

1.55
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837655224
Dimensions7.39 × 7.44 × 4.61 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
7.39 mm7.44 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837655224
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.1%

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: £2,026 GBP|Low: £402 GBP|High: £2,026 GBP|Avg: £1,102 GBP
Rare Carat
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
October 30, 2026
Retailer 4£402 GBP
Retailer 6£599 GBP
Retailer 14£601 GBP
Retailer 15£674 GBP
Retailer 11£682 GBP
Retailer 8£728 GBP
Retailer 9£739 GBP
Retailer 12£766 GBP
Retailer 13£1,036 GBP
Retailer 5£1,415 GBP
Retailer 7£1,455 GBP
Retailer 16£1,553 GBP
Retailer 3£1,562 GBP
Retailer 2£1,866 GBP
Retailer 10£1,872 GBP
Rare Carat£2,026 GBP

23 data points across 16 retailers

16 retailers£402 GBP to £1,872 GBP

A
Cheapest Retailer
-
£402 GBP
$539 USD
Final sale: no returns
A
Retailer 2
-
£599 GBP
$802 USD
View
A
Retailer 3
-
£601 GBP
$805 USD
View
Retailer 4
-
£674 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
£682 GBP
€870 EUR
View
A
Retailer 6
-
£728 GBP
$976 USD
View
A
Retailer 7
-
£739 GBP
View
A
Retailer 8
-
£766 GBP
ZAR 16,590 ZAR
View
B+
Retailer 9
-
£1,036 GBP
$1,388 USD
View
B
Retailer 10
-
£1,415 GBP
SGD 2,562 SGD
View
B
Retailer 11
-
£1,455 GBP
$1,949 USD
View
B
Retailer 12
-
£1,553 GBP
$2,081 USD
View
B
Retailer 13
-
£1,562 GBP
$2,093 USD
View
B
Retailer 14
-
£1,866 GBP
$2,500 USD
View
B
Retailer 15
-
£1,872 GBP
View
Most Expensive
Rare Carat
112246552HC837 · Oct 7
£2,026 GBP
$2,715 USD
View
Price last confirmed 23 days ago
15 more retailers have this diamond
Prices start from £402 GBPSave up to £1,470 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
1.55ct Round
£402 GBP