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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG756575043

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756575043

Diamond specifications and retailer prices

From £556 GBP
$745 USD
As of October 30, 2026
Save £1,886 GBP (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,082 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756575043 or 756575043. Listed at 24 retailers as of October 29, 2026, with a 339% 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756575043
Dimensions9.14 × 6.54 × 4.09 mm
L/W Ratio1.40
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
9.14 mm6.54 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756575043
Side View
Table 61.0%Crown 37.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

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: £4,082 GBP|Low: £556 GBP|High: £4,082 GBP|Avg: £1,492 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
October 30, 2026
Retailer 6£556 GBP
Retailer 5£759 GBP
Retailer 15£827 GBP
Retailer 11£828 GBP
Retailer 9£892 GBP
Retailer 2£922 GBP
Retailer 10£1,060 GBP
Retailer 14£1,290 GBP
Retailer 7£1,797 GBP
Retailer 3£1,864 GBP
Retailer 12£1,905 GBP
Retailer 4£1,945 GBP
Retailer 8£2,442 GBP
Retailer 13£3,008 GBP
Brilliant Earth£4,082 GBP

44 data points across 15 retailers

24 retailers£556 GBP to £2,442 GBP

Retailer 1
-
£497 GBP
$666 USD
Price last confirmed 20 days ago
Retailer 2
-
£541 GBP
$725 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£556 GBP
$745 USD
View
Final sale: no returns
Retailer 4
-
£577 GBP
$773 USD
View
Price last confirmed 18 days ago
Retailer 5
-
£577 GBP
$773 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
£759 GBP
$1,017 USD
View
B+
Retailer 7
-
£827 GBP
$1,108 USD
View
B+
Retailer 8
-
£828 GBP
$1,110 USD
View
B+
Retailer 9
-
£882 GBP
$1,182 USD
View
B+
Retailer 10
-
£892 GBP
A$1,838 AUD
View
B+
Retailer 11
-
£922 GBP
View
B+
Retailer 12
-
£1,060 GBP
ZAR 22,941 ZAR
View
B+
Retailer 13
-
£1,290 GBP
$1,729 USD
View
Retailer 14
-
£1,621 GBP
$2,172 USD
View
Price last confirmed 23 days ago
B
Retailer 15
-
£1,797 GBP
View
B+
Retailer 16
-
£1,864 GBP
$2,497 USD
View
B
Retailer 17
-
£1,905 GBP
€2,431 EUR
View
B
Retailer 18
-
£1,945 GBP
SGD 3,521 SGD
View
B
Retailer 19
-
£1,967 GBP
$2,635 USD
View
B
Retailer 20
-
£1,989 GBP
$2,665 USD
View
B
Retailer 21
-
£2,001 GBP
$2,681 USD
View
B
Retailer 22
-
£2,442 GBP
View
Retailer 23
-
£3,008 GBP
$4,030 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
18561420A · Oct 29
£4,082 GBP
$5,470 USD
View
Price under review
23 more retailers have this diamond
Prices start from £556 GBPSave up to £1,886 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
£556 GBP