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Round|Lab Grown|IGI

3.10ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG789606952

Shape and cutting style on the report: Round brilliant

Certificate IGI LG789606952

Diamond specifications and retailer prices

From €358 EUR
As of November 5, 2026
Save €2,243 EUR (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,602 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789606952 or 789606952. Listed at 11 retailers as of November 5, 2026, with prices from €358 to €2,602, a €2,243 spread on the same certified stone. Brilliant Earth lists it at €2,602. 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

3.10
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789606952
Dimensions9.51 × 9.47 × 5.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.51 mm9.47 mm3.10 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789606952
Side View
Table 61.0%Crown 32.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.1%

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: €2,602 EUR|Low: €342 EUR|High: €4,419 EUR|Avg: €1,375 EUR|-41.1%
Brilliant Earth
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
November 5, 2026
Retailer 10€358 EUR
Retailer 8€402 EUR
Retailer 2€590 EUR
Retailer 11€680 EUR
Retailer 4€728 EUR
Retailer 3€765 EUR
Retailer 13€1,189 EUR
Retailer 12€1,189 EUR
Retailer 7€1,429 EUR
Retailer 5€1,467 EUR
Retailer 6€1,508 EUR
Retailer 14€1,714 EUR
Retailer 9€1,732 EUR
Brilliant Earth€2,602 EUR

31 data points across 14 retailers

11 retailers€358 EUR to €2,602 EUR

A
Cheapest Retailer
-
€358 EUR
A
Retailer 2
-
€402 EUR
View
A
Retailer 3
-
€590 EUR
View
Retailer 4
-
€680 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€765 EUR
View
B+
Retailer 6
-
€1,189 EUR
View
B
Retailer 7
-
€1,189 EUR
View
B+
Retailer 8
-
€1,429 EUR
View
Retailer 9
-
€1,714 EUR
View
Price last confirmed 24 days ago
B
Retailer 10
-
€1,732 EUR
View
Most Expensive
B
Brilliant Earth
20805177A · Nov 5
€2,602 EUR
$2,920 USD
View
10 more retailers have this diamond
Prices start from €358 EURSave up to €2,243 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
3.10ct Round
€358 EUR