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Round|Lab Grown|IGI

1.29ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818664674

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818664674

Diamond specifications and retailer prices

From €390 EUR
$434 USD
As of October 28, 2026
Save €2,090 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,480 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818664674 or 818664674. Listed at 23 retailers as of October 28, 2026, with prices from €390 to €2,480, a €2,090 spread on the same certified stone. Brilliant Earth lists it at €2,480. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818664674
Dimensions7.00 × 6.97 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
HEARTS & ARROWS 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
7.00 mm6.97 mm1.29 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818664674
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: €2,480 EUR|Low: €390 EUR|High: €2,552 EUR|Avg: €984 EUR|-2.8%
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
October 30, 2026
Retailer 3€390 EUR
Retailer 11€432 EUR
Retailer 14€432 EUR
Retailer 6€630 EUR
Retailer 10€665 EUR
Retailer 4€688 EUR
Retailer 12€701 EUR
Retailer 8€701 EUR
Retailer 9€743 EUR
Retailer 2€782 EUR
Retailer 5€1,049 EUR
Retailer 13€1,424 EUR
Retailer 7€1,699 EUR
Brilliant Earth€2,480 EUR

40 data points across 14 retailers

23 retailers€390 EUR to €2,480 EUR

Retailer 1
-
€343 EUR
$382 USD
Price last confirmed 59 days ago
Retailer 2
-
€350 EUR
$389 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
€390 EUR
$434 USD
View
Final sale: no returns
Retailer 4
-
€406 EUR
$452 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€406 EUR
$452 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
€432 EUR
$481 USD
View
A
Retailer 7
-
€432 EUR
$481 USD
View
Retailer 8
-
€447 EUR
$497 USD
View
Price last confirmed 30 days ago
Retailer 9
-
€450 EUR
$501 USD
View
Price last confirmed 18 days ago
Retailer 10
-
€450 EUR
$501 USD
View
Price last confirmed 28 days ago
A
Retailer 11
-
€630 EUR
A$1,078 AUD
View
A
Retailer 12
-
€665 EUR
$740 USD
View
A
Retailer 13
-
€688 EUR
$766 USD
View
A
Retailer 14
-
€701 EUR
$780 USD
View
A
Retailer 15
-
€701 EUR
View
A
Retailer 16
-
€743 EUR
ZAR 13,365 ZAR
View
B+
Retailer 17
-
€782 EUR
£685 GBP
View
B+
Retailer 18
-
€1,049 EUR
$1,167 USD
View
Retailer 19
-
€1,161 EUR
$1,292 USD
View
Price last confirmed 44 days ago
B+
Retailer 20
-
€1,424 EUR
$1,585 USD
View
Retailer 21
-
€1,453 EUR
$1,617 USD
View
Price last confirmed 30 days ago
B+
Retailer 22
-
€1,699 EUR
£1,489 GBP
View
Most Expensive
B
Brilliant Earth
21490483A · Oct 29
€2,480 EUR
$2,760 USD
View
22 more retailers have this diamond
Prices start from €390 EURSave up to €2,090 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
€390 EUR