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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 €260 EUR
$290 USD
As of October 30, 2026
Save €1,978 EUR (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,238 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 15 retailers as of October 29, 2026, with prices from €260 to €2,238, a €1,978 spread on the same certified stone. Brilliant Earth lists it at €2,238. 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
Color
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 30
Current: €288 EUR|Low: €260 EUR|High: €1,196 EUR|Avg: €624 EUR
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
Retailer 14
October 31, 2026
Retailer 11€260 EUR
Retailer 1€288 EUR
Retailer 6€321 EUR
Retailer 12€389 EUR
Retailer 4€430 EUR
Retailer 9€467 EUR
Retailer 10€477 EUR
Retailer 14€495 EUR
Retailer 7€550 EUR
Retailer 13€702 EUR
Retailer 8€886 EUR
Retailer 3€931 EUR
Retailer 2€1,105 EUR
Retailer 5€1,165 EUR

25 data points across 14 retailers

15 retailers€260 EUR to €2,238 EUR

A+
Cheapest Retailer
-
€260 EUR
$290 USD
Final sale: no returns
A
Retailer 2
-
€288 EUR
$322 USD
View
A
Retailer 3
-
€321 EUR
HK$2,800 HKD
View
A
Retailer 4
-
€389 EUR
$435 USD
View
A
Retailer 5
-
€430 EUR
$480 USD
View
A
Retailer 6
-
€467 EUR
£411 GBP
View
A
Retailer 7
-
€477 EUR
View
A
Retailer 8
-
€495 EUR
ZAR 8,940 ZAR
View
A
Retailer 9
-
€550 EUR
£484 GBP
View
A
Retailer 10
-
€702 EUR
A$1,206 AUD
View
B+
Retailer 11
-
€886 EUR
$990 USD
View
B+
Retailer 12
-
€931 EUR
SGD 1,406 SGD
View
B+
Retailer 13
-
€1,105 EUR
$1,235 USD
View
B+
Retailer 14
-
€1,165 EUR
£1,025 GBP
View
Most Expensive
B
Brilliant Earth
21711149A · Oct 29
€2,238 EUR
$2,500 USD
View
14 more retailers have this diamond
Prices start from €260 EURSave up to €1,978 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
€260 EUR