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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG747515264

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG747515264

Diamond specifications and retailer prices

From £553 GBP
$741 USD
As of October 30, 2026
Save £1,864 GBP (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,060 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 LG747515264 or 747515264. Listed at 26 retailers as of October 26, 2026, with a 337% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747515264
Dimensions6.55 × 6.55 × 3.88 mm
L/W Ratio1.00
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
6.55 mm6.55 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747515264
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.2%

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: £4,060 GBP|Low: £494 GBP|High: £4,187 GBP|Avg: £1,492 GBP|-3.0%
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 17£494 GBP
Retailer 8£553 GBP
Retailer 5£573 GBP
Retailer 7£755 GBP
Retailer 3£821 GBP
Retailer 11£821 GBP
Retailer 14£887 GBP
Retailer 2£916 GBP
Retailer 10£1,053 GBP
Retailer 16£1,464 GBP
Retailer 9£1,786 GBP
Retailer 4£1,852 GBP
Retailer 12£1,893 GBP
Retailer 6£1,931 GBP
Retailer 15£1,940 GBP
Retailer 13£2,417 GBP
Brilliant Earth£4,060 GBP

44 data points across 17 retailers

26 retailers£553 GBP to £2,417 GBP

Retailer 1
-
£494 GBP
$662 USD
Price last confirmed 19 days ago
Retailer 2
-
£537 GBP
$720 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£553 GBP
$741 USD
View
Final sale: no returns
Retailer 4
-
£573 GBP
$768 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£573 GBP
$768 USD
View
Retailer 6
-
£573 GBP
$768 USD
View
Price last confirmed 28 days ago
Retailer 7
-
£573 GBP
$768 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£755 GBP
$1,012 USD
View
B+
Retailer 9
-
£821 GBP
$1,100 USD
View
B+
Retailer 10
-
£821 GBP
$1,100 USD
View
B+
Retailer 11
-
£872 GBP
$1,168 USD
View
B+
Retailer 12
-
£887 GBP
A$1,828 AUD
View
B+
Retailer 13
-
£916 GBP
View
B+
Retailer 14
-
£1,053 GBP
ZAR 22,799 ZAR
View
B
Retailer 15
-
£1,464 GBP
$1,961 USD
View
Retailer 16
-
£1,611 GBP
$2,159 USD
View
Price last confirmed 23 days ago
B
Retailer 17
-
£1,786 GBP
View
B
Retailer 18
-
£1,852 GBP
$2,481 USD
View
B
Retailer 19
-
£1,893 GBP
€2,416 EUR
View
B
Retailer 20
-
£1,931 GBP
SGD 3,497 SGD
View
Retailer 21
-
£1,940 GBP
$2,600 USD
View
Price last confirmed 9 days ago
B
Retailer 22
-
£1,955 GBP
$2,619 USD
View
B
Retailer 23
-
£1,977 GBP
$2,649 USD
View
B
Retailer 24
-
£1,991 GBP
$2,668 USD
View
B
Retailer 25
-
£2,417 GBP
View
Most Expensive
Brilliant Earth
17167428A · Oct 29
£4,060 GBP
$5,440 USD
View
Price under review
25 more retailers have this diamond
Prices start from £553 GBPSave up to £1,864 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
£553 GBP