Oval|Lab Grown|IGI

1.29ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG839683845

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839683845

Diamond specifications and retailer prices

From £249 GBP
$334 USD
As of October 26, 2026
Save £2,505 GBP (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,754 GBP at Brilliant Earth · As of October 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 LG839683845 or 839683845. Listed at 23 retailers as of October 26, 2026, with prices from £249 to £2,754, a £2,505 spread on the same certified stone. Brilliant Earth lists it at £2,754. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683845
Dimensions9.07 × 6.14 × 3.75 mm
L/W Ratio1.48
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
9.07 mm6.14 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683845
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.1%

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 26
Current: £319 GBP|Low: £239 GBP|High: £2,064 GBP|Avg: £751 GBP|-1.0%
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October 27, 2026
Retailer 2£249 GBP
Retailer 4£289 GBP
Retailer 9£307 GBP
Retailer 3£309 GBP
Retailer 7£309 GBP
Retailer 1£319 GBP
Retailer 14£460 GBP
Retailer 23£466 GBP
Retailer 21£477 GBP
Retailer 24£491 GBP
Retailer 22£504 GBP
Retailer 19£522 GBP
Retailer 12£550 GBP
Retailer 6£663 GBP
Retailer 13£665 GBP
Retailer 8£993 GBP
Retailer 10£1,025 GBP
Retailer 11£1,095 GBP
Retailer 17£1,116 GBP
Retailer 5£1,209 GBP
Retailer 18£1,240 GBP
Retailer 16£1,293 GBP
Retailer 15£1,864 GBP
Retailer 20£2,064 GBP

25 data points across 24 retailers

23 retailers£249 GBP to £2,754 GBP

A
Cheapest Retailer
-
£249 GBP
$334 USD
Retailer 2
-
£289 GBP
$387 USD
View
Price last confirmed 7 days ago
Retailer 3
-
£309 GBP
$414 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£309 GBP
$414 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£319 GBP
View
A
Retailer 6
-
£460 GBP
$616 USD
View
A
Retailer 7
-
£466 GBP
$625 USD
View
A
Retailer 8
-
£491 GBP
$658 USD
View
B+
Retailer 9
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£504 GBP
$675 USD
View
Retailer 10
-
£522 GBP
ZAR 11,308 ZAR
View
Price last confirmed 8 days ago
A
Retailer 11
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£550 GBP
View
B+
Retailer 12
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£663 GBP
$888 USD
View
B+
Retailer 13
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£665 GBP
$891 USD
View
Retailer 14
-
£993 GBP
$1,330 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
£1,025 GBP
$1,374 USD
View
B
Retailer 16
-
£1,095 GBP
CA$2,037 CAD
View
B
Retailer 17
-
£1,116 GBP
$1,495 USD
View
Retailer 18
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£1,209 GBP
$1,620 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
£1,240 GBP
View
B
Retailer 20
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£1,293 GBP
$1,732 USD
View
Retailer 21
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£1,864 GBP
$2,497 USD
View
Price last confirmed 11 days ago
Retailer 22
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£2,064 GBP
$2,765 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21790735A · Oct 28
£2,754 GBP
$3,690 USD
View
22 more retailers have this diamond
Prices start from £249 GBPSave up to £2,505 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
£249 GBP