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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 €388 EUR
$434 USD
As of October 31, 2026
Save €2,082 EUR (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,470 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 24 retailers as of October 29, 2026, with prices from €388 to €2,470, a €2,082 spread on the same certified stone. Brilliant Earth lists it at €2,470. 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
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 31
Current: €2,470 EUR|Low: €388 EUR|High: €2,542 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 31, 2026
Retailer 4€388 EUR
Retailer 3€431 EUR
Retailer 12€431 EUR
Retailer 6€627 EUR
Retailer 11€662 EUR
Retailer 5€686 EUR
Retailer 2€695 EUR
Retailer 13€698 EUR
Retailer 10€740 EUR
Retailer 7€772 EUR
Retailer 8€1,017 EUR
Retailer 14€1,419 EUR
Retailer 9€1,693 EUR
Brilliant Earth€2,470 EUR

40 data points across 14 retailers

24 retailers€388 EUR to €2,470 EUR

Retailer 1
-
€342 EUR
$382 USD
Price last confirmed 60 days ago
Retailer 2
-
€348 EUR
$389 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
€388 EUR
$434 USD
View
Final sale: no returns
A
Retailer 4
-
€389 EUR
$435 USD
View
Retailer 5
-
€405 EUR
$452 USD
View
Price last confirmed 39 days ago
Retailer 6
-
€405 EUR
$452 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
€431 EUR
$481 USD
View
A
Retailer 8
-
€431 EUR
$481 USD
View
Retailer 9
-
€445 EUR
$497 USD
View
Price last confirmed 32 days ago
Retailer 10
-
€448 EUR
$501 USD
View
Price last confirmed 19 days ago
Retailer 11
-
€448 EUR
$501 USD
View
Price last confirmed 29 days ago
A
Retailer 12
-
€627 EUR
A$1,078 AUD
View
A
Retailer 13
-
€662 EUR
$740 USD
View
A
Retailer 14
-
€686 EUR
$766 USD
View
A
Retailer 15
-
€695 EUR
View
A
Retailer 16
-
€698 EUR
$780 USD
View
A
Retailer 17
-
€740 EUR
ZAR 13,365 ZAR
View
B+
Retailer 18
-
€772 EUR
£679 GBP
View
B+
Retailer 19
-
€1,017 EUR
$1,136 USD
View
Retailer 20
-
€1,156 EUR
$1,292 USD
View
Price last confirmed 45 days ago
B+
Retailer 21
-
€1,419 EUR
$1,585 USD
View
Retailer 22
-
€1,447 EUR
$1,617 USD
View
Price last confirmed 32 days ago
B+
Retailer 23
-
€1,693 EUR
£1,489 GBP
View
Most Expensive
B
Brilliant Earth
21490483A · Oct 29
€2,470 EUR
$2,760 USD
View
23 more retailers have this diamond
Prices start from €388 EURSave up to €2,082 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
€388 EUR