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Oval|Lab Grown|IGI

1.29ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG817661862

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817661862

Diamond specifications and retailer prices

From £170 GBP
$227 USD
As of October 28, 2026
Save £776 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £946 GBP at Brilliant Earth · As of October 29, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817661862 or 817661862. Listed at 17 retailers as of October 28, 2026, with prices from £170 to £946, a £776 spread on the same certified stone. Brilliant Earth lists it at £946. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661862
Dimensions8.99 × 6.28 × 3.80 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.99 mm6.28 mm1.29 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG817661862
Side View
Table 60.0%Crown 33.2°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 60.5%

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 28
Current: £946 GBP|Low: £166 GBP|High: £976 GBP|Avg: £510 GBP|-3.1%
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
October 30, 2026
Retailer 4£170 GBP
Retailer 13£239 GBP
Retailer 9£326 GBP
Retailer 5£328 GBP
Retailer 2£349 GBP
Retailer 12£352 GBP
Retailer 15£366 GBP
Retailer 14£432 GBP
Retailer 11£462 GBP
Retailer 10£612 GBP
Retailer 3£650 GBP
Retailer 7£675 GBP
Retailer 8£892 GBP
Retailer 6£905 GBP
Brilliant Earth£946 GBP

33 data points across 15 retailers

17 retailers£170 GBP to £946 GBP

Retailer 1
-
£149 GBP
$198 USD
Price last confirmed 36 days ago
A
Retailer 2
-
£170 GBP
$227 USD
View
Final sale: no returns
Retailer 3
-
£173 GBP
$230 USD
View
Price last confirmed 35 days ago
Retailer 4
-
£182 GBP
$242 USD
View
Price last confirmed 32 days ago
Retailer 5
-
£239 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
£326 GBP
ZAR 7,007 ZAR
View
A
Retailer 7
-
£328 GBP
$437 USD
View
A
Retailer 8
-
£349 GBP
View
A
Retailer 9
-
£366 GBP
$488 USD
View
B+
Retailer 10
-
£432 GBP
$575 USD
View
B+
Retailer 11
-
£462 GBP
$615 USD
View
Retailer 12
-
£592 GBP
$789 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
£612 GBP
$815 USD
View
B
Retailer 14
-
£650 GBP
$865 USD
View
B
Retailer 15
-
£892 GBP
View
B
Retailer 16
-
£905 GBP
$1,205 USD
View
Most Expensive
B
Brilliant Earth
20640838A · Oct 29
£946 GBP
$1,260 USD
View
16 more retailers have this diamond
Prices start from £170 GBPSave up to £776 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
£170 GBP