Round|Lab Grown|IGI

3.00ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG843627494

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843627494

Diamond specifications and retailer prices

From €349 EUR
$390 USD
As of October 29, 2026
Save €1,942 EUR (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,354 EUR at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 3ct lab-grown round diamond

This 3ct 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 LG843627494 or 843627494. Listed at 10 retailers as of October 29, 2026, with a 556% 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

3.00
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843627494
Dimensions9.19 × 9.15 × 5.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.19 mm9.15 mm3.00 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843627494
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.3%

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: Oct 29
Current: €2,291 EUR|Low: €564 EUR|High: €2,291 EUR|Avg: €1,264 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2€580 EUR
Retailer 3€695 EUR
Retailer 6€1,216 EUR
Retailer 5€1,217 EUR
Retailer 4€1,702 EUR
Brilliant Earth€2,291 EUR

15 data points across 6 retailers

10 retailers€349 EUR to €2,291 EUR

A
Cheapest Retailer
-
€349 EUR
$390 USD
A
Retailer 2
-
€580 EUR
£511 GBP
View
A
Retailer 3
-
€695 EUR
View
B
Retailer 4
-
€1,216 EUR
$1,358 USD
View
B
Retailer 5
-
€1,217 EUR
$1,360 USD
View
B
Retailer 6
-
€1,393 EUR
$1,556 USD
View
B
Retailer 7
-
€1,702 EUR
£1,497 GBP
View
B
Retailer 8
-
€2,291 EUR
$2,560 USD
View
Retailer 9
-
€2,354 EUR
$2,630 USD
View
Price last confirmed 16 days ago
Most Expensive
Brilliant Earth
21825618A · Oct 17
€2,354 EUR
$2,630 USD
View
Price last confirmed 14 days ago
9 more retailers have this diamond
Prices start from €349 EURSave up to €1,942 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
3.00ct Round
€349 EUR