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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG780697404

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780697404

Diamond specifications and retailer prices

From €123 EUR
As of November 3, 2026
Save €763 EUR (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €886 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG780697404 or 780697404. Listed at 20 retailers as of November 3, 2026, with prices from €123 to €886, a €763 spread on the same certified stone. Reve Diamonds lists it at €886. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780697404
Dimensions6.53 × 6.50 × 4.03 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
6.53 mm6.50 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780697404
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: Nov 3
Current: €269 EUR|Low: €123 EUR|High: €886 EUR|Avg: €363 EUR|+1.3%
Retailer 1
Retailer 2
Retailer 3
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Retailer 18
Reve Diamonds
November 6, 2026
Retailer 3€123 EUR
Retailer 6€137 EUR
Retailer 17€143 EUR
Retailer 7€152 EUR
Retailer 18€152 EUR
Retailer 11€256 EUR
Retailer 2€259 EUR
Retailer 1€269 EUR
Retailer 8€284 EUR
Retailer 12€299 EUR
Retailer 13€343 EUR
Retailer 15€358 EUR
Retailer 9€418 EUR
Retailer 5€439 EUR
Retailer 4€489 EUR
Retailer 16€517 EUR
Retailer 10€538 EUR
Retailer 14€710 EUR
Reve Diamonds€886 EUR

37 data points across 19 retailers

20 retailers€123 EUR to €886 EUR

A
Cheapest Retailer
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€123 EUR
A
Retailer 2
-
€137 EUR
View
Final sale: no returns
A
Retailer 3
-
€143 EUR
View
Retailer 4
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€152 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
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€152 EUR
View
A
Retailer 6
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€256 EUR
View
A
Retailer 7
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€259 EUR
View
A
Retailer 8
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€269 EUR
View
A
Retailer 9
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€284 EUR
View
A
Retailer 10
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€299 EUR
View
B+
Retailer 11
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€343 EUR
View
B+
Retailer 12
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€358 EUR
View
Retailer 13
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€380 EUR
View
Price last confirmed 9 days ago
B+
Retailer 14
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€418 EUR
View
B+
Retailer 15
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€439 EUR
View
B
Retailer 16
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€489 EUR
View
B
Retailer 17
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€517 EUR
View
B
Retailer 18
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€538 EUR
View
B
Retailer 19
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€710 EUR
View
Most Expensive
B
Reve Diamonds
4F5867411 · Nov 4
€886 EUR
$995 USD
View
19 more retailers have this diamond
Prices start from €123 EURSave up to €763 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
1.05ct Round
€123 EUR