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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG770640751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770640751

Diamond specifications and retailer prices

From €203 EUR
As of November 5, 2026
Save €939 EUR (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,142 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770640751 or 770640751. Listed at 20 retailers as of November 4, 2026, with prices from €203 to €1,142, a €939 spread on the same certified stone. Reve Diamonds lists it at €1,142. 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

1.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640751
Dimensions7.41 × 7.36 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm7.36 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640751
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
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: Nov 5
Current: €461 EUR|Low: €193 EUR|High: €1,142 EUR|Avg: €534 EUR|+3.6%
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
Retailer 18
Reve Diamonds
November 6, 2026
Retailer 8€203 EUR
Retailer 12€231 EUR
Retailer 18€235 EUR
Retailer 4€251 EUR
Retailer 5€251 EUR
Retailer 2€398 EUR
Retailer 6€427 EUR
Retailer 11€430 EUR
Retailer 1€461 EUR
Retailer 15€474 EUR
Retailer 3€478 EUR
Retailer 17€519 EUR
Retailer 13€655 EUR
Retailer 10€793 EUR
Retailer 9€808 EUR
Retailer 14€811 EUR
Retailer 7€854 EUR
Retailer 16€1,008 EUR
Reve Diamonds€1,142 EUR

37 data points across 19 retailers

20 retailers€203 EUR to €1,142 EUR

A
Cheapest Retailer
-
€203 EUR
A
Retailer 2
-
€231 EUR
View
Final sale: no returns
A
Retailer 3
-
€235 EUR
View
A
Retailer 4
-
€251 EUR
View
Retailer 5
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€251 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
-
€398 EUR
View
A
Retailer 7
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€427 EUR
View
A
Retailer 8
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€430 EUR
View
A
Retailer 9
-
€461 EUR
View
A
Retailer 10
-
€474 EUR
View
B+
Retailer 11
-
€478 EUR
View
B+
Retailer 12
-
€519 EUR
View
B+
Retailer 13
-
€655 EUR
View
B+
Retailer 14
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€666 EUR
View
Retailer 15
-
€793 EUR
View
Price last confirmed 11 days ago
B
Retailer 16
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€808 EUR
View
B
Retailer 17
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€811 EUR
View
B
Retailer 18
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€854 EUR
View
B
Retailer 19
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€1,008 EUR
View
Most Expensive
B
Reve Diamonds
B6447E024 · Nov 4
€1,142 EUR
$1,282 USD
View
19 more retailers have this diamond
Prices start from €203 EURSave up to €939 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
1.54ct Round
€203 EUR