Oval|Lab Grown|IGI

1.29ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG818623988

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818623988

Diamond specifications and retailer prices

From £225 GBP
$302 USD
As of October 30, 2026
Save £1,638 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,049 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.29ct lab-grown oval diamond

This 1.29ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623988 or 818623988. Listed at 22 retailers as of October 30, 2026, with a 727% 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

1.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623988
Dimensions8.79 × 6.16 × 3.80 mm
L/W Ratio1.43
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
8.79 mm6.16 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623988
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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: £2,049 GBP|Low: £225 GBP|High: £2,082 GBP|Avg: £812 GBP|-0.5%
Rare Carat
Retailer 2
Retailer 3
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Retailer 6
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Retailer 10
Retailer 11
Retailer 12
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Retailer 20
November 1, 2026
Retailer 8£225 GBP
Retailer 2£285 GBP
Retailer 12£322 GBP
Retailer 3£334 GBP
Retailer 17£336 GBP
Retailer 7£385 GBP
Retailer 19£432 GBP
Retailer 16£475 GBP
Retailer 13£486 GBP
Retailer 20£506 GBP
Retailer 14£555 GBP
Retailer 18£769 GBP
Retailer 9£853 GBP
Retailer 6£1,011 GBP
Retailer 10£1,045 GBP
Retailer 5£1,057 GBP
Retailer 15£1,114 GBP
Retailer 4£1,791 GBP
Retailer 11£1,864 GBP
Rare Carat£2,049 GBP

31 data points across 20 retailers

22 retailers£225 GBP to £1,864 GBP

A
Cheapest Retailer
-
£225 GBP
$302 USD
Final sale: no returns
Retailer 2
-
£259 GBP
$347 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£285 GBP
View
Retailer 4
-
£301 GBP
$403 USD
View
Price last confirmed 37 days ago
Retailer 5
-
£317 GBP
$425 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
£334 GBP
$448 USD
View
A
Retailer 7
-
£336 GBP
$450 USD
View
A
Retailer 8
-
£385 GBP
$516 USD
View
A
Retailer 9
-
£475 GBP
ZAR 10,281 ZAR
View
A
Retailer 10
-
£486 GBP
View
A
Retailer 11
-
£499 GBP
$669 USD
View
A
Retailer 12
-
£506 GBP
$678 USD
View
B+
Retailer 13
-
£769 GBP
$1,031 USD
View
B+
Retailer 14
-
£853 GBP
$1,143 USD
View
B+
Retailer 15
-
£1,011 GBP
$1,355 USD
View
Retailer 16
-
£1,034 GBP
$1,385 USD
View
Price last confirmed 34 days ago
B
Retailer 17
-
£1,045 GBP
$1,400 USD
View
B+
Retailer 18
-
£1,057 GBP
$1,416 USD
View
B+
Retailer 19
-
£1,114 GBP
View
B
Retailer 20
-
£1,791 GBP
$2,400 USD
View
B
Retailer 21
-
£1,864 GBP
$2,497 USD
View
Most Expensive
Rare Carat
FAGD-94436 · Oct 21
£2,049 GBP
$2,745 USD
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from £225 GBPSave up to £1,638 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
1.29ct Oval
£225 GBP