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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG685511561

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685511561

Diamond specifications and retailer prices

From €132 EUR
As of November 5, 2026
Save €784 EUR (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €916 EUR at Reve Diamonds · As of November 6, 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 LG685511561 or 685511561. Listed at 19 retailers as of November 5, 2026, with prices from €132 to €916, a €784 spread on the same certified stone. Reve Diamonds lists it at €916. 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 angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685511561
Dimensions6.48 × 6.51 × 4.02 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
6.48 mm6.51 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685511561
Side View
Table 57.0%Crown 34.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

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: €321 EUR|Low: €126 EUR|High: €916 EUR|Avg: €371 EUR|-1.1%
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
Reve Diamonds
November 5, 2026
Retailer 6€132 EUR
Retailer 4€147 EUR
Retailer 13€153 EUR
Retailer 3€164 EUR
Retailer 15€164 EUR
Retailer 8€280 EUR
Retailer 2€302 EUR
Retailer 1€321 EUR
Retailer 11€321 EUR
Retailer 14€382 EUR
Retailer 7€526 EUR
Retailer 10€556 EUR
Retailer 5€575 EUR
Retailer 12€588 EUR
Retailer 9€762 EUR
Reve Diamonds€916 EUR

37 data points across 16 retailers

19 retailers€132 EUR to €916 EUR

A
Cheapest Retailer
-
€132 EUR
A
Retailer 2
-
€147 EUR
View
Final sale: no returns
A
Retailer 3
-
€153 EUR
View
Retailer 4
-
€164 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
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€164 EUR
View
A
Retailer 6
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€263 EUR
View
A
Retailer 7
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€280 EUR
View
B+
Retailer 8
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€302 EUR
View
B+
Retailer 9
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€321 EUR
View
A
Retailer 10
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€321 EUR
View
B+
Retailer 11
-
€382 EUR
View
B+
Retailer 12
-
€442 EUR
View
Retailer 13
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€522 EUR
View
Price last confirmed 46 days ago
B
Retailer 14
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€526 EUR
View
B
Retailer 15
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€556 EUR
View
B
Retailer 16
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€575 EUR
View
B
Retailer 17
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€588 EUR
View
B
Retailer 18
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€762 EUR
View
Most Expensive
B
Reve Diamonds
C52929FD7 · Nov 6
€916 EUR
$1,028 USD
View
18 more retailers have this diamond
Prices start from €132 EURSave up to €784 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
€132 EUR