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Round|Lab Grown|IGI

1.01ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG669428371

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669428371

Diamond specifications and retailer prices

From €128 EUR
As of November 5, 2026
Save €775 EUR (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €903 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.01ct lab-grown round diamond

This 1.01ct 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 LG669428371 or 669428371. Listed at 20 retailers as of November 5, 2026, with prices from €128 to €903, a €775 spread on the same certified stone. Reve Diamonds lists it at €903. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669428371
Dimensions6.43 × 6.44 × 3.92 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
6.43 mm6.44 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669428371
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: €311 EUR|Low: €127 EUR|High: €903 EUR|Avg: €341 EUR|+9.7%
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
Reve Diamonds
November 6, 2026
Retailer 4€128 EUR
Retailer 10€143 EUR
Retailer 11€149 EUR
Retailer 2€159 EUR
Retailer 13€159 EUR
Retailer 6€246 EUR
Retailer 7€269 EUR
Retailer 14€295 EUR
Retailer 1€311 EUR
Retailer 12€377 EUR
Retailer 5€510 EUR
Retailer 9€538 EUR
Retailer 3€559 EUR
Retailer 8€739 EUR
Reve Diamonds€903 EUR

46 data points across 15 retailers

20 retailers€128 EUR to €903 EUR

Retailer 1
-
€127 EUR
Price last confirmed 45 days ago
A
Retailer 2
-
€128 EUR
View
A
Retailer 3
-
€143 EUR
View
Final sale: no returns
A
Retailer 4
-
€149 EUR
View
Retailer 5
-
€155 EUR
View
Price last confirmed 45 days ago
Retailer 6
-
€159 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
-
€159 EUR
View
A
Retailer 8
-
€246 EUR
View
A
Retailer 9
-
€269 EUR
View
B+
Retailer 10
-
€295 EUR
View
B+
Retailer 11
-
€311 EUR
View
Retailer 12
-
€361 EUR
View
Price last confirmed 33 days ago
B+
Retailer 13
-
€377 EUR
View
B+
Retailer 14
-
€425 EUR
View
Retailer 15
-
€506 EUR
View
Price last confirmed 46 days ago
B
Retailer 16
-
€510 EUR
View
B
Retailer 17
-
€538 EUR
View
B
Retailer 18
-
€559 EUR
View
B
Retailer 19
-
€739 EUR
View
Most Expensive
B
Reve Diamonds
09D510F22 · Nov 6
€903 EUR
$1,013 USD
View
19 more retailers have this diamond
Prices start from €128 EURSave up to €775 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
1.01ct Round
€128 EUR