Round|Lab Grown|GIA

2.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 2488551189

Certificate GIA 2488551189

Diamond specifications and retailer prices

From €449 EUR
As of November 5, 2026
Save €1,903 EUR (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,352 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 2.09ct lab-grown round diamond

This 2.09ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2488551189. Listed at 16 retailers as of November 5, 2026, with prices from €449 to €2,352, a €1,903 spread on the same certified stone. Brilliant Earth lists it at €2,352. 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

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2488551189
Dimensions8.21 × 8.19 × 5.04 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
8.21 mm8.19 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2488551189
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €2,352 EUR|Low: €431 EUR|High: €2,354 EUR|Avg: €976 EUR
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 6, 2026
Retailer 12€449 EUR
Retailer 3€503 EUR
Retailer 5€503 EUR
Retailer 14€557 EUR
Retailer 10€682 EUR
Retailer 11€748 EUR
Retailer 4€776 EUR
Retailer 2€810 EUR
Retailer 7€835 EUR
Retailer 13€1,074 EUR
Retailer 9€1,222 EUR
Retailer 6€1,466 EUR
Retailer 8€2,326 EUR
Brilliant Earth€2,352 EUR

43 data points across 14 retailers

16 retailers€449 EUR to €2,352 EUR

A
Cheapest Retailer
-
€449 EUR
A
Retailer 2
-
€503 EUR
View
Final sale: no returns
A
Retailer 3
-
€503 EUR
View
Retailer 4
-
€557 EUR
View
Price last confirmed 21 days ago
A
Retailer 5
-
€557 EUR
View
B+
Retailer 6
-
€682 EUR
View
B+
Retailer 7
-
€748 EUR
View
B+
Retailer 8
-
€748 EUR
View
B+
Retailer 9
-
€776 EUR
View
B+
Retailer 10
-
€810 EUR
View
B+
Retailer 11
-
€835 EUR
View
Retailer 12
-
€1,074 EUR
View
Price last confirmed 30 days ago
B
Retailer 13
-
€1,222 EUR
View
B
Retailer 14
-
€1,466 EUR
View
B
Retailer 15
-
€2,326 EUR
View
Most Expensive
B
Brilliant Earth
9181572A · Nov 5
€2,352 EUR
$2,640 USD
View
15 more retailers have this diamond
Prices start from €449 EURSave up to €1,903 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
2.09ct Round
€449 EUR