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Round|Lab Grown|IGI

1.24ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG670465505

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670465505

Diamond specifications and retailer prices

From €176 EUR
As of November 5, 2026
Save €882 EUR (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,058 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670465505 or 670465505. Listed at 22 retailers as of November 5, 2026, with prices from €176 to €1,058, a €882 spread on the same certified stone. Reve Diamonds lists it at €1,058. 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

1.24
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670465505
Dimensions6.89 × 6.87 × 4.28 mm
L/W Ratio1.00
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
6.89 mm6.87 mm1.24 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670465505
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.2%

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: €429 EUR|Low: €176 EUR|High: €1,058 EUR|Avg: €470 EUR|-1.0%
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€176 EUR
Retailer 5€197 EUR
Retailer 16€205 EUR
Retailer 2€219 EUR
Retailer 3€219 EUR
Retailer 4€381 EUR
Retailer 11€396 EUR
Retailer 10€415 EUR
Retailer 1€429 EUR
Retailer 9€437 EUR
Retailer 17€438 EUR
Retailer 15€468 EUR
Retailer 12€588 EUR
Retailer 8€704 EUR
Retailer 14€707 EUR
Retailer 6€751 EUR
Retailer 13€1,020 EUR
Reve Diamonds€1,058 EUR

35 data points across 18 retailers

22 retailers€176 EUR to €1,058 EUR

A
Cheapest Retailer
-
€176 EUR
A
Retailer 2
-
€197 EUR
View
Final sale: no returns
A
Retailer 3
-
€205 EUR
View
A
Retailer 4
-
€219 EUR
View
Retailer 5
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€219 EUR
View
Price last confirmed 12 days ago
B+
Retailer 6
-
€359 EUR
View
B+
Retailer 7
-
€381 EUR
View
B+
Retailer 8
-
€396 EUR
View
B+
Retailer 9
-
€415 EUR
View
B+
Retailer 10
-
€429 EUR
View
B+
Retailer 11
-
€437 EUR
View
B+
Retailer 12
-
€438 EUR
View
B+
Retailer 13
-
€468 EUR
View
B+
Retailer 14
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€579 EUR
View
B
Retailer 15
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€588 EUR
View
B
Retailer 16
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€599 EUR
View
Retailer 17
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€698 EUR
View
Price last confirmed 46 days ago
B
Retailer 18
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€704 EUR
View
B
Retailer 19
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€707 EUR
View
B
Retailer 20
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€751 EUR
View
B
Retailer 21
-
€1,020 EUR
View
Most Expensive
B
Reve Diamonds
5520D022F · Nov 6
€1,058 EUR
$1,188 USD
View
21 more retailers have this diamond
Prices start from €176 EURSave up to €882 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
1.24ct Round
€176 EUR