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Round|Lab Grown|GIA

3.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6451053117

Certificate GIA 6451053117

Diamond specifications and retailer prices

From €1,252 EUR
As of November 4, 2026
Save €2,181 EUR (64%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,433 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.09ct lab-grown round diamond

This 3.09ct 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 GIA 6451053117. Listed at 5 retailers as of November 1, 2026, with prices from €1,252 to €3,433, a €2,181 spread on the same certified stone. MOH London lists it at €3,433. 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 6451053117
Dimensions9.38 × 9.41 × 5.69 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.38 mm9.41 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451053117
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €3,433 EUR|Low: €1,252 EUR|High: €6,058 EUR|Avg: €3,177 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3€1,252 EUR
Retailer 4€1,355 EUR
Retailer 2€1,481 EUR
Retailer 5€1,619 EUR
MOH London€3,433 EUR
Retailer 7€3,983 EUR
Retailer 6€6,058 EUR
Retailer 8€6,058 EUR

10 data points across 8 retailers

5 retailers€1,252 EUR to €3,433 EUR

B+
Cheapest Retailer
-
€1,252 EUR
B+
Retailer 2
-
€1,355 EUR
View
B+
Retailer 3
-
€1,481 EUR
View
B
Retailer 4
-
€1,619 EUR
View
Most Expensive
B
MOH London
6451053117 · Nov 1
€3,433 EUR
£3,034 GBP
View
4 more retailers have this diamond
Prices start from €1,252 EURSave up to €2,181 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.

B+
3.09ct Round
€1,252 EUR