Round|Lab Grown|GIA

3.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 5486412293

Certificate GIA 5486412293

Diamond specifications and retailer prices

From €1,486 EUR
As of November 5, 2026
Save €1,130 EUR (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,498 EUR at MOH London · As of November 5, 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 5486412293. Listed at 13 retailers as of November 4, 2026, with a 76% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 5486412293
Dimensions9.41 × 9.39 × 5.74 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
9.41 mm9.39 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5486412293
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

Caratlytics Score

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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 5
Current: €4,498 EUR|Low: €1,377 EUR|High: €4,564 EUR|Avg: €2,075 EUR|+14.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6€1,403 EUR
Retailer 10€1,486 EUR
Retailer 7€1,555 EUR
Retailer 8€1,671 EUR
Retailer 3€1,680 EUR
Retailer 4€1,822 EUR
Retailer 2€1,930 EUR
Retailer 5€2,014 EUR
Retailer 11€2,217 EUR
Retailer 9€2,616 EUR
MOH London€4,498 EUR

35 data points across 11 retailers

13 retailers€1,486 EUR to €2,616 EUR

Retailer 1
-
€1,210 EUR
Price last confirmed 27 days ago
Retailer 2
-
€1,317 EUR
View
Price last confirmed 28 days ago
Retailer 3
-
€1,403 EUR
View
Price last confirmed 26 days ago
Retailer 4
-
€1,403 EUR
View
Price last confirmed 27 days ago
B+
Retailer 5
-
€1,486 EUR
View
B
Retailer 6
-
€1,555 EUR
View
B
Retailer 7
-
€1,671 EUR
View
B
Retailer 8
-
€1,822 EUR
View
B
Retailer 9
-
€1,930 EUR
View
B
Retailer 10
-
€2,217 EUR
View
B
Retailer 11
-
€2,616 EUR
View
Retailer 12
-
€2,631 EUR
View
Price last confirmed 27 days ago
Most Expensive
MOH London
5486412293 · Nov 5
€4,498 EUR
£3,975 GBP
View
Price under review
12 more retailers have this diamond
Prices start from €1,486 EURSave up to €1,130 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
€1,486 EUR