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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG839698431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839698431

Diamond specifications and retailer prices

From €261 EUR
$290 USD
As of October 28, 2026
Save €1,986 EUR (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,246 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG839698431 or 839698431. Listed at 14 retailers as of October 28, 2026, with prices from €261 to €2,246, a €1,986 spread on the same certified stone. Brilliant Earth lists it at €2,246. 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 angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839698431
Dimensions7.04 × 7.09 × 4.20 mm
L/W Ratio1.01
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
7.04 mm7.09 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839698431
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A+
Exceptional
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: €552 EUR|Low: €261 EUR|High: €1,200 EUR|Avg: €627 EUR|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 8€261 EUR
Retailer 5€322 EUR
Retailer 9€391 EUR
Retailer 2€431 EUR
Retailer 7€470 EUR
Retailer 6€478 EUR
Retailer 11€497 EUR
Retailer 1€552 EUR
Retailer 10€704 EUR
Retailer 4€896 EUR
Retailer 13€935 EUR
Retailer 12€1,110 EUR
Retailer 3€1,170 EUR

23 data points across 13 retailers

14 retailers€261 EUR to €2,246 EUR

A+
Cheapest Retailer
-
€261 EUR
$290 USD
Final sale: no returns
A
Retailer 2
-
€322 EUR
HK$2,800 HKD
View
A
Retailer 3
-
€391 EUR
$435 USD
View
A
Retailer 4
-
€431 EUR
$480 USD
View
A
Retailer 5
-
€470 EUR
£412 GBP
View
A
Retailer 6
-
€478 EUR
View
A
Retailer 7
-
€497 EUR
ZAR 8,940 ZAR
View
A
Retailer 8
-
€552 EUR
£484 GBP
View
A
Retailer 9
-
€704 EUR
A$1,206 AUD
View
B+
Retailer 10
-
€896 EUR
$997 USD
View
B+
Retailer 11
-
€935 EUR
SGD 1,406 SGD
View
B+
Retailer 12
-
€1,110 EUR
$1,235 USD
View
B+
Retailer 13
-
€1,170 EUR
£1,025 GBP
View
Most Expensive
B
Brilliant Earth
21711149A · Oct 29
€2,246 EUR
$2,500 USD
View
13 more retailers have this diamond
Prices start from €261 EURSave up to €1,986 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
€261 EUR