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Oval|Lab Grown|IGI

1.55ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG768630556

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768630556

Diamond specifications and retailer prices

From £394 GBP
HK$4,100 HKD
As of October 30, 2026
Save £2,001 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,797 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval 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 LG768630556 or 768630556. Listed at 14 retailers as of October 28, 2026, with a 508% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630556
Dimensions9.33 × 6.62 × 4.11 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
9.33 mm6.62 mm1.55 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630556
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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: £2,797 GBP|Low: £394 GBP|High: £3,221 GBP|Avg: £1,149 GBP|-1.3%
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
October 23, 2026
Retailer 6£394 GBP
Retailer 11£417 GBP
Retailer 12£463 GBP
Retailer 9£479 GBP
Retailer 8£501 GBP
Retailer 2£513 GBP
Retailer 4£623 GBP
Retailer 15£666 GBP
Retailer 7£790 GBP
Retailer 14£1,024 GBP
Retailer 5£1,067 GBP
Retailer 10£1,184 GBP
Retailer 13£1,870 GBP
Retailer 3£2,395 GBP
Rare Carat£2,797 GBP

39 data points across 15 retailers

14 retailers£394 GBP to £2,395 GBP

A
Cheapest Retailer
-
£394 GBP
HK$4,100 HKD
Retailer 2
-
£417 GBP
$555 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£463 GBP
$617 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£501 GBP
ZAR 10,770 ZAR
View
Price last confirmed 11 days ago
Retailer 5
-
£513 GBP
View
Price last confirmed 7 days ago
A
Retailer 6
-
£623 GBP
$830 USD
View
Retailer 7
-
£666 GBP
$887 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£790 GBP
A$1,618 AUD
View
Retailer 9
-
£1,024 GBP
$1,364 USD
View
Price last confirmed 7 days ago
Retailer 10
-
£1,067 GBP
$1,421 USD
View
Price last confirmed 9 days ago
Retailer 11
-
£1,184 GBP
View
Price last confirmed 12 days ago
Retailer 12
-
£1,870 GBP
$2,490 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
£2,395 GBP
$3,190 USD
View
Most Expensive
Rare Carat
52112 · Oct 21
£2,797 GBP
$3,725 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from £394 GBPSave up to £2,001 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 Oval
£394 GBP