Oval|Lab Grown|IGI

1.29ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG815698028

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815698028

Diamond specifications and retailer prices

From £189 GBP
$253 USD
As of October 29, 2026
Save £1,378 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,284 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

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 LG815698028 or 815698028. Listed at 22 retailers as of October 29, 2026, with a 730% 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 angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815698028
Dimensions8.84 × 6.05 × 3.79 mm
L/W Ratio1.46
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
8.84 mm6.05 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815698028
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 29
Current: £1,567 GBP|Low: £189 GBP|High: £2,105 GBP|Avg: £671 GBP|-25.5%
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
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 5£189 GBP
Retailer 7£211 GBP
Retailer 19£219 GBP
Retailer 11£234 GBP
Retailer 18£234 GBP
Retailer 17£355 GBP
Retailer 3£391 GBP
Retailer 13£399 GBP
Retailer 16£402 GBP
Retailer 20£424 GBP
Retailer 2£445 GBP
Retailer 6£643 GBP
Retailer 4£718 GBP
Retailer 10£752 GBP
Retailer 9£781 GBP
Retailer 8£790 GBP
Retailer 21£852 GBP
Retailer 15£942 GBP
Retailer 14£955 GBP
Brilliant Earth£1,567 GBP
Retailer 12£2,056 GBP

32 data points across 21 retailers

22 retailers£189 GBP to £1,567 GBP

A
Cheapest Retailer
-
£189 GBP
$253 USD
A
Retailer 2
-
£211 GBP
$283 USD
View
Final sale: no returns
A
Retailer 3
-
£219 GBP
$293 USD
View
Retailer 4
-
£234 GBP
$313 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£234 GBP
$313 USD
View
A
Retailer 6
-
£355 GBP
$475 USD
View
A
Retailer 7
-
£391 GBP
$524 USD
View
A
Retailer 8
-
£399 GBP
€509 EUR
View
A
Retailer 9
-
£402 GBP
ZAR 8,694 ZAR
View
A
Retailer 10
-
£424 GBP
$568 USD
View
A
Retailer 11
-
£445 GBP
View
B+
Retailer 12
-
£643 GBP
$861 USD
View
B+
Retailer 13
-
£718 GBP
$962 USD
View
B+
Retailer 14
-
£752 GBP
$1,007 USD
View
B+
Retailer 15
-
£781 GBP
SGD 1,414 SGD
View
B+
Retailer 16
-
£790 GBP
$1,058 USD
View
B+
Retailer 17
-
£852 GBP
$1,142 USD
View
B+
Retailer 18
-
£942 GBP
View
Retailer 19
-
£955 GBP
View
Price last confirmed 10 days ago
B
Retailer 20
-
£1,567 GBP
$2,100 USD
View
Retailer 21
-
£2,056 GBP
$2,755 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
20793281A · Sep 28
£2,284 GBP
$3,060 USD
View
Price last confirmed 33 days ago
21 more retailers have this diamond
Prices start from £189 GBPSave up to £1,378 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
£189 GBP