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Oval|Lab Grown|IGI

1.53ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG803629799

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG803629799

Diamond specifications and retailer prices

From £491 GBP
$658 USD
As of October 29, 2026
Save £1,920 GBP (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,030 GBP at Brilliant Earth · As of October 29, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803629799 or 803629799. Listed at 23 retailers as of October 29, 2026, with a 391% 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

1.53
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803629799
Dimensions9.23 × 6.52 × 4.03 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
9.23 mm6.52 mm1.53 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803629799
Side View
Table 60.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

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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 29
Current: £4,030 GBP|Low: £471 GBP|High: £4,030 GBP|Avg: £1,369 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 19£491 GBP
Retailer 18£534 GBP
Retailer 7£549 GBP
Retailer 3£569 GBP
Retailer 21£569 GBP
Retailer 6£702 GBP
Retailer 12£752 GBP
Retailer 9£815 GBP
Retailer 17£887 GBP
Retailer 2£910 GBP
Retailer 15£956 GBP
Retailer 16£1,037 GBP
Retailer 4£1,325 GBP
Retailer 20£1,601 GBP
Retailer 14£1,774 GBP
Retailer 5£1,839 GBP
Retailer 11£1,919 GBP
Retailer 8£1,981 GBP
Retailer 13£2,411 GBP
Retailer 10£3,008 GBP
Brilliant Earth£4,030 GBP

43 data points across 21 retailers

23 retailers£491 GBP to £2,411 GBP

A
Cheapest Retailer
-
£491 GBP
$658 USD
A
Retailer 2
-
£534 GBP
$716 USD
View
A
Retailer 3
-
£549 GBP
$736 USD
View
Final sale: no returns
A
Retailer 4
-
£569 GBP
$763 USD
View
Retailer 5
-
£569 GBP
$763 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£702 GBP
$940 USD
View
B+
Retailer 7
-
£752 GBP
$1,007 USD
View
B+
Retailer 8
-
£815 GBP
$1,092 USD
View
B+
Retailer 9
-
£862 GBP
$1,155 USD
View
B+
Retailer 10
-
£887 GBP
A$1,828 AUD
View
B+
Retailer 11
-
£910 GBP
View
B+
Retailer 12
-
£956 GBP
€1,220 EUR
View
B+
Retailer 13
-
£1,037 GBP
ZAR 22,446 ZAR
View
B
Retailer 14
-
£1,325 GBP
$1,775 USD
View
B
Retailer 15
-
£1,601 GBP
$2,145 USD
View
B
Retailer 16
-
£1,774 GBP
View
B+
Retailer 17
-
£1,839 GBP
$2,464 USD
View
B
Retailer 18
-
£1,919 GBP
SGD 3,474 SGD
View
B
Retailer 19
-
£1,965 GBP
$2,632 USD
View
B
Retailer 20
-
£1,981 GBP
$2,654 USD
View
B
Retailer 21
-
£2,411 GBP
View
Retailer 22
-
£3,008 GBP
$4,030 USD
View
Price last confirmed 32 days ago
Most Expensive
Brilliant Earth
20282201A · Oct 29
£4,030 GBP
$5,400 USD
View
Price under review
22 more retailers have this diamond
Prices start from £491 GBPSave up to £1,920 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
£491 GBP