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Round|Lab Grown|IGI

1.03ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG771645848

Shape and cutting style on the report: Round brilliant

Certificate IGI LG771645848

Diamond specifications and retailer prices

From €130 EUR
As of November 5, 2026
Save €779 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €909 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG771645848 or 771645848. Listed at 22 retailers as of November 5, 2026, with prices from €130 to €909, a €779 spread on the same certified stone. Reve Diamonds lists it at €909. 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

1.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771645848
Dimensions6.47 × 6.43 × 4.00 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
6.47 mm6.43 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771645848
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: €315 EUR|Low: €129 EUR|High: €909 EUR|Avg: €366 EUR|+9.6%
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
Reve Diamonds
November 6, 2026
Retailer 6€130 EUR
Retailer 14€144 EUR
Retailer 15€151 EUR
Retailer 2€161 EUR
Retailer 4€161 EUR
Retailer 9€274 EUR
Retailer 3€298 EUR
Retailer 1€315 EUR
Retailer 13€361 EUR
Retailer 16€380 EUR
Retailer 8€398 EUR
Retailer 7€518 EUR
Retailer 11€547 EUR
Retailer 5€567 EUR
Retailer 12€579 EUR
Retailer 10€751 EUR
Reve Diamonds€909 EUR

44 data points across 17 retailers

22 retailers€130 EUR to €909 EUR

Retailer 1
-
€129 EUR
Price last confirmed 45 days ago
A
Retailer 2
-
€130 EUR
View
A
Retailer 3
-
€144 EUR
View
Final sale: no returns
A
Retailer 4
-
€151 EUR
View
Retailer 5
-
€158 EUR
View
Price last confirmed 45 days ago
Retailer 6
-
€161 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
-
€161 EUR
View
A
Retailer 8
-
€255 EUR
View
A
Retailer 9
-
€274 EUR
View
B+
Retailer 10
-
€298 EUR
View
B+
Retailer 11
-
€315 EUR
View
B+
Retailer 12
-
€361 EUR
View
B+
Retailer 13
-
€380 EUR
View
B+
Retailer 14
-
€398 EUR
View
B+
Retailer 15
-
€433 EUR
View
Retailer 16
-
€514 EUR
View
Price last confirmed 46 days ago
B
Retailer 17
-
€518 EUR
View
B
Retailer 18
-
€547 EUR
View
B
Retailer 19
-
€567 EUR
View
B
Retailer 20
-
€579 EUR
View
B
Retailer 21
-
€751 EUR
View
Most Expensive
B
Reve Diamonds
4B809246D · Nov 6
€909 EUR
$1,021 USD
View
21 more retailers have this diamond
Prices start from €130 EURSave up to €779 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
1.03ct Round
€130 EUR