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Round|Lab Grown|IGI

1.01ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG803603923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803603923

Diamond specifications and retailer prices

From €132 EUR
As of November 5, 2026
Save €783 EUR (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €915 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 LG803603923 or 803603923. Listed at 17 retailers as of November 5, 2026, with prices from €132 to €915, a €783 spread on the same certified stone. Reve Diamonds lists it at €915. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803603923
Dimensions6.51 × 6.48 × 3.87 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
6.51 mm6.48 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803603923
Side View
Table 61.0%Crown 33.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.5%

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: €320 EUR|Low: €129 EUR|High: €915 EUR|Avg: €345 EUR|+0.3%
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 11€132 EUR
Retailer 3€152 EUR
Retailer 9€160 EUR
Retailer 12€163 EUR
Retailer 2€248 EUR
Retailer 7€279 EUR
Retailer 13€282 EUR
Retailer 4€300 EUR
Retailer 1€320 EUR
Retailer 6€428 EUR
Retailer 10€430 EUR
Retailer 14€525 EUR
Retailer 5€574 EUR
Retailer 8€760 EUR
Reve Diamonds€915 EUR

35 data points across 15 retailers

17 retailers€132 EUR to €915 EUR

A
Cheapest Retailer
-
€132 EUR
A
Retailer 2
-
€152 EUR
View
Retailer 3
-
€159 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€160 EUR
View
Final sale: no returns
A
Retailer 5
-
€163 EUR
View
A
Retailer 6
-
€248 EUR
View
B+
Retailer 7
-
€279 EUR
View
A
Retailer 8
-
€282 EUR
View
B+
Retailer 9
-
€300 EUR
View
B+
Retailer 10
-
€320 EUR
View
Retailer 11
-
€361 EUR
View
Price last confirmed 33 days ago
B+
Retailer 12
-
€428 EUR
View
B+
Retailer 13
-
€430 EUR
View
B
Retailer 14
-
€525 EUR
View
B
Retailer 15
-
€574 EUR
View
B
Retailer 16
-
€760 EUR
View
Most Expensive
B
Reve Diamonds
3551DFB34 · Nov 6
€915 EUR
$1,027 USD
View
16 more retailers have this diamond
Prices start from €132 EURSave up to €783 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
€132 EUR