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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 €179 EUR
As of November 5, 2026
Save €887 EUR (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,066 EUR at Reve Diamonds · As of November 4, 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 22 retailers as of November 4, 2026, with prices from €179 to €1,066, a €887 spread on the same certified stone. Reve Diamonds lists it at €1,066. 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
Colour
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: Nov 5
Current: €402 EUR|Low: €177 EUR|High: €1,066 EUR|Avg: €472 EUR|+4.4%
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
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 6, 2026
Retailer 7€179 EUR
Retailer 15€200 EUR
Retailer 16€208 EUR
Retailer 3€222 EUR
Retailer 4€222 EUR
Retailer 17€365 EUR
Retailer 5€386 EUR
Retailer 1€402 EUR
Retailer 9€405 EUR
Retailer 13€422 EUR
Retailer 10€429 EUR
Retailer 2€442 EUR
Retailer 14€468 EUR
Retailer 8€714 EUR
Retailer 12€716 EUR
Retailer 6€761 EUR
Retailer 11€1,035 EUR
Reve Diamonds€1,066 EUR

33 data points across 18 retailers

22 retailers€179 EUR to €1,066 EUR

A
Cheapest Retailer
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€179 EUR
A
Retailer 2
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€200 EUR
View
Final sale: no returns
A
Retailer 3
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€208 EUR
View
A
Retailer 4
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€222 EUR
View
Retailer 5
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€222 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
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€365 EUR
View
B+
Retailer 7
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€386 EUR
View
B+
Retailer 8
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€402 EUR
View
B+
Retailer 9
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€405 EUR
View
B+
Retailer 10
-
€422 EUR
View
B+
Retailer 11
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€429 EUR
View
B+
Retailer 12
-
€442 EUR
View
B+
Retailer 13
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€468 EUR
View
B+
Retailer 14
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€552 EUR
View
B+
Retailer 15
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€552 EUR
View
B+
Retailer 16
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€609 EUR
View
Retailer 17
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€707 EUR
View
Price last confirmed 46 days ago
B
Retailer 18
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€714 EUR
View
B
Retailer 19
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€716 EUR
View
B
Retailer 20
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€761 EUR
View
B
Retailer 21
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€1,035 EUR
View
Most Expensive
B
Reve Diamonds
AAF9B4E32 · Nov 4
€1,066 EUR
$1,197 USD
View
21 more retailers have this diamond
Prices start from €179 EURSave up to €887 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
€179 EUR