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Round|Lab Grown|IGI

4.08ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG687595358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687595358

Diamond specifications and retailer prices

From €734 EUR
$820 USD
As of October 31, 2026
Save €2,453 EUR (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,187 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.08ct lab-grown round diamond

This 4.08ct 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 LG687595358 or 687595358. Listed at 15 retailers as of October 30, 2026, with prices from €734 to €3,187, a €2,453 spread on the same certified stone. Brilliant Earth lists it at €3,187. 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

4.08
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687595358
Dimensions10.30 × 10.27 × 6.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm10.27 mm4.08 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687595358
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.2%

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 31
Current: €3,187 EUR|Low: €537 EUR|High: €3,419 EUR|Avg: €1,434 EUR|-6.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4€537 EUR
Retailer 3€691 EUR
Retailer 5€734 EUR
Retailer 2€841 EUR
Retailer 12€946 EUR
Retailer 6€952 EUR
Retailer 10€965 EUR
Retailer 11€1,514 EUR
Retailer 8€1,582 EUR
Retailer 7€2,435 EUR
Retailer 9€2,675 EUR
Brilliant Earth€3,187 EUR

36 data points across 12 retailers

15 retailers€734 EUR to €3,187 EUR

Retailer 1
-
€433 EUR
$484 USD
Price last confirmed 36 days ago
Retailer 2
-
€485 EUR
$542 USD
View
Price last confirmed 38 days ago
Retailer 3
-
€530 EUR
$592 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€691 EUR
£608 GBP
View
Price last confirmed 22 days ago
A
Retailer 5
-
€734 EUR
$820 USD
View
A
Retailer 6
-
€841 EUR
View
B+
Retailer 7
-
€946 EUR
$1,057 USD
View
A
Retailer 8
-
€952 EUR
£838 GBP
View
A
Retailer 9
-
€965 EUR
$1,078 USD
View
B+
Retailer 10
-
€1,514 EUR
$1,692 USD
View
B
Retailer 11
-
€1,582 EUR
$1,767 USD
View
Retailer 12
-
€1,726 EUR
$1,928 USD
View
Price last confirmed 34 days ago
Retailer 13
-
€2,435 EUR
$2,720 USD
View
Price last confirmed 10 days ago
Retailer 14
-
€2,675 EUR
£2,353 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
13402575A · Oct 30
€3,187 EUR
$3,560 USD
View
14 more retailers have this diamond
Prices start from €734 EURSave up to €2,453 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
4.08ct Round
€734 EUR