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Oval|Lab Grown|IGI

1.53ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG689503489

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG689503489

Diamond specifications and retailer prices

From £347 GBP
As of November 4, 2026
Save £1,861 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,207 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.53ct lab-grown oval diamond

This 1.53ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689503489 or 689503489. Listed at 20 retailers as of November 3, 2026, with prices from £347 to £2,207, a £1,861 spread on the same certified stone. Brilliant Earth lists it at £2,207. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689503489
Dimensions8.91 × 6.60 × 4.16 mm
L/W Ratio1.35
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
8.91 mm6.60 mm1.53 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689503489
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: Nov 4
Current: £2,207 GBP|Low: £267 GBP|High: £2,237 GBP|Avg: £830 GBP|-1.3%
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
November 5, 2026
Retailer 3£267 GBP
Retailer 5£347 GBP
Retailer 11£374 GBP
Retailer 14£417 GBP
Retailer 13£444 GBP
Retailer 2£450 GBP
Retailer 4£507 GBP
Retailer 12£604 GBP
Retailer 15£620 GBP
Retailer 17£757 GBP
Retailer 6£827 GBP
Retailer 8£867 GBP
Retailer 7£993 GBP
Retailer 9£1,004 GBP
Retailer 10£1,030 GBP
Retailer 16£1,682 GBP
Brilliant Earth£2,207 GBP

41 data points across 17 retailers

20 retailers£347 GBP to £2,207 GBP

Retailer 1
-
£242 GBP
Price last confirmed 35 days ago
Retailer 2
-
£293 GBP
View
Price last confirmed 41 days ago
Retailer 3
-
£313 GBP
View
Price last confirmed 34 days ago
A
Retailer 4
-
£347 GBP
View
A
Retailer 5
-
£374 GBP
View
A
Retailer 6
-
£417 GBP
View
A
Retailer 7
-
£444 GBP
View
A
Retailer 8
-
£450 GBP
View
A
Retailer 9
-
£507 GBP
View
A
Retailer 10
-
£604 GBP
View
A
Retailer 11
-
£620 GBP
View
B+
Retailer 12
-
£757 GBP
View
B+
Retailer 13
-
£827 GBP
View
B+
Retailer 14
-
£867 GBP
View
B+
Retailer 15
-
£993 GBP
View
B+
Retailer 16
-
£1,004 GBP
View
Retailer 17
-
£1,005 GBP
View
Price last confirmed 29 days ago
B+
Retailer 18
-
£1,030 GBP
View
Retailer 19
-
£1,682 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
18208968A · Nov 3
£2,207 GBP
$2,980 USD
View
19 more retailers have this diamond
Prices start from £347 GBPSave up to £1,861 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
1.53ct Oval
£347 GBP