Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG814634806

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814634806

Diamond specifications and retailer prices

From €331 EUR
$368 USD
As of October 28, 2026
Save €659 EUR (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,087 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG814634806 or 814634806. Listed at 9 retailers as of October 28, 2026, with a 199% 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814634806
Dimensions7.03 × 7.00 × 4.25 mm
L/W Ratio1.00
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
7.03 mm7.00 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814634806
Side View
Table 60.0%Crown 34.9°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.5%

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 28
Current: €1,087 EUR|Low: €331 EUR|High: €1,128 EUR|Avg: €672 EUR|-3.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6€331 EUR
Retailer 5€408 EUR
Retailer 2€454 EUR
Retailer 7€465 EUR
Retailer 9€649 EUR
Retailer 8€837 EUR
Retailer 4€867 EUR
Retailer 3€989 EUR
Rare Carat€1,087 EUR

39 data points across 9 retailers

9 retailers€331 EUR to €989 EUR

B+
Cheapest Retailer
-
€331 EUR
$368 USD
A
Retailer 2
-
€408 EUR
View
A
Retailer 3
-
€454 EUR
£398 GBP
View
A
Retailer 4
-
€465 EUR
$518 USD
View
A
Retailer 5
-
€649 EUR
$722 USD
View
B+
Retailer 6
-
€837 EUR
$931 USD
View
B+
Retailer 7
-
€867 EUR
A$1,485 AUD
View
B+
Retailer 8
-
€989 EUR
£867 GBP
View
Most Expensive
Rare Carat
PM725-999A · Oct 18
€1,087 EUR
$1,210 USD
View
Price last confirmed 11 days ago
8 more retailers have this diamond
Prices start from €331 EURSave up to €659 EUR

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 Round
€331 EUR