CaratHunter
Plans
Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG809618878

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809618878

Diamond specifications and retailer prices

From £187 GBP
$250 USD
As of October 26, 2026
Save £2,239 GBP (92%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,426 GBP at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809618878 or 809618878. Listed at 19 retailers as of October 26, 2026, with prices from £187 to £2,426, a £2,239 spread on the same certified stone. Brilliant Earth lists it at £2,426. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809618878
Dimensions9.26 × 6.53 × 4.05 mm
L/W Ratio1.42
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
9.26 mm6.53 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809618878
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
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 26
Current: £2,426 GBP|Low: £187 GBP|High: £3,791 GBP|Avg: £815 GBP|-36.0%
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
Retailer 18
October 28, 2026
Retailer 4£187 GBP
Retailer 7£209 GBP
Retailer 5£216 GBP
Retailer 11£272 GBP
Retailer 6£305 GBP
Retailer 3£331 GBP
Retailer 12£332 GBP
Retailer 13£428 GBP
Retailer 17£429 GBP
Retailer 2£594 GBP
Retailer 15£654 GBP
Retailer 8£789 GBP
Retailer 16£821 GBP
Retailer 9£893 GBP
Retailer 14£1,026 GBP
Retailer 18£1,657 GBP
Retailer 10£1,780 GBP
Brilliant Earth£2,426 GBP

30 data points across 18 retailers

19 retailers£187 GBP to £2,426 GBP

A+
Cheapest Retailer
-
£187 GBP
$250 USD
A
Retailer 2
-
£209 GBP
$280 USD
View
Final sale: no returns
A
Retailer 3
-
£216 GBP
$290 USD
View
A
Retailer 4
-
£272 GBP
View
A
Retailer 5
-
£305 GBP
$409 USD
View
B+
Retailer 6
-
£331 GBP
$443 USD
View
A
Retailer 7
-
£332 GBP
$445 USD
View
A
Retailer 8
-
£428 GBP
€546 EUR
View
A
Retailer 9
-
£429 GBP
$575 USD
View
A
Retailer 10
-
£594 GBP
A$1,225 AUD
View
A
Retailer 11
-
£654 GBP
$876 USD
View
Retailer 12
-
£666 GBP
$892 USD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
£789 GBP
$1,057 USD
View
B+
Retailer 14
-
£821 GBP
$1,100 USD
View
B+
Retailer 15
-
£893 GBP
$1,196 USD
View
B+
Retailer 16
-
£1,026 GBP
View
B+
Retailer 17
-
£1,657 GBP
$2,220 USD
View
Retailer 18
-
£1,780 GBP
$2,385 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21408725Y · Oct 28
£2,426 GBP
$3,250 USD
View
18 more retailers have this diamond
Prices start from £187 GBPSave up to £2,239 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
£187 GBP