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Round|Lab Grown|IGI

1.26ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG683543026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683543026

Diamond specifications and retailer prices

From €180 EUR
$201 USD
As of October 29, 2026
Save €891 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,071 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683543026 or 683543026. Listed at 20 retailers as of October 29, 2026, with prices from €180 to €1,071, a €891 spread on the same certified stone. Reve Diamonds lists it at €1,071. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.26
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683543026
Dimensions6.95 × 6.89 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.95 mm6.89 mm1.26 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683543026
Side View
Table 58.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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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 29
Current: €424 EUR|Low: €171 EUR|High: €1,071 EUR|Avg: €455 EUR|+10.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 31, 2026
Retailer 7€180 EUR
Retailer 15€201 EUR
Retailer 16€209 EUR
Retailer 2€223 EUR
Retailer 3€223 EUR
Retailer 17€367 EUR
Retailer 4€388 EUR
Retailer 9€407 EUR
Retailer 11€408 EUR
Retailer 1€424 EUR
Retailer 13€436 EUR
Retailer 18€444 EUR
Retailer 12€470 EUR
Retailer 10€555 EUR
Retailer 5€600 EUR
Retailer 8€717 EUR
Retailer 6€765 EUR
Retailer 14€1,048 EUR
Reve Diamonds€1,071 EUR

33 data points across 19 retailers

20 retailers€180 EUR to €1,071 EUR

A
Cheapest Retailer
-
€180 EUR
$201 USD
A
Retailer 2
-
€201 EUR
$224 USD
View
Final sale: no returns
A
Retailer 3
-
€209 EUR
$233 USD
View
A
Retailer 4
-
€223 EUR
$249 USD
View
A
Retailer 5
-
€223 EUR
$249 USD
View
A
Retailer 6
-
€367 EUR
$410 USD
View
B+
Retailer 7
-
€388 EUR
$433 USD
View
Retailer 8
-
€407 EUR
$455 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
€408 EUR
£359 GBP
View
B+
Retailer 10
-
€424 EUR
View
B+
Retailer 11
-
€436 EUR
£383 GBP
View
B+
Retailer 12
-
€444 EUR
$496 USD
View
B+
Retailer 13
-
€470 EUR
A$808 AUD
View
B+
Retailer 14
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€555 EUR
$620 USD
View
B
Retailer 15
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€600 EUR
$670 USD
View
Retailer 16
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€711 EUR
$794 USD
View
Price last confirmed 40 days ago
B
Retailer 17
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€717 EUR
$801 USD
View
B
Retailer 18
-
€765 EUR
$854 USD
View
B
Retailer 19
-
€1,048 EUR
£922 GBP
View
Most Expensive
B
Reve Diamonds
AAF9B4E32 · Oct 30
€1,071 EUR
$1,197 USD
View
19 more retailers have this diamond
Prices start from €180 EURSave up to €891 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
1.26ct Round
€180 EUR