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Round|Lab Grown|IGI

5.08ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG648461356

Shape and cutting style on the report: Round brilliant

Certificate IGI LG648461356

Diamond specifications and retailer prices

From €678 EUR
$757 USD
As of October 29, 2026
Save €3,579 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,818 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.08ct lab-grown round diamond

This 5.08ct lab-grown round sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648461356 or 648461356. Listed at 21 retailers as of October 28, 2026, with a 528% 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

5.08
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648461356
Dimensions11.18 × 11.14 × 6.66 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.18 mm11.14 mm5.08 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648461356
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.7%

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: €5,818 EUR|Low: €651 EUR|High: €7,555 EUR|Avg: €2,033 EUR|-23.0%
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
October 30, 2026
Retailer 4€678 EUR
Retailer 2€680 EUR
Retailer 5€786 EUR
Retailer 14€928 EUR
Retailer 11€944 EUR
Retailer 7€1,200 EUR
Retailer 9€1,255 EUR
Retailer 6€1,273 EUR
Retailer 12€1,651 EUR
Retailer 13€1,869 EUR
Retailer 3€2,696 EUR
Retailer 8€2,961 EUR
Retailer 10€4,256 EUR
Brilliant Earth€5,818 EUR

36 data points across 14 retailers

21 retailers€678 EUR to €4,256 EUR

A
Cheapest Retailer
-
€678 EUR
$757 USD
A
Retailer 2
-
€680 EUR
£598 GBP
View
A
Retailer 3
-
€737 EUR
$823 USD
View
A
Retailer 4
-
€759 EUR
$848 USD
View
Final sale: no returns
A
Retailer 5
-
€786 EUR
$878 USD
View
Retailer 6
-
€786 EUR
$878 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
€928 EUR
HK$8,100 HKD
View
A
Retailer 8
-
€944 EUR
$1,055 USD
View
B+
Retailer 9
-
€1,139 EUR
$1,272 USD
View
B+
Retailer 10
-
€1,200 EUR
£1,055 GBP
View
B+
Retailer 11
-
€1,255 EUR
View
B+
Retailer 12
-
€1,273 EUR
$1,422 USD
View
B+
Retailer 13
-
€1,651 EUR
A$2,838 AUD
View
B+
Retailer 14
-
€1,735 EUR
$1,938 USD
View
Retailer 15
-
€1,869 EUR
$2,088 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
€2,209 EUR
$2,468 USD
View
B
Retailer 17
-
€2,411 EUR
$2,694 USD
View
B
Retailer 18
-
€2,696 EUR
SGD 4,071 SGD
View
B
Retailer 19
-
€2,961 EUR
£2,605 GBP
View
B
Retailer 20
-
€4,256 EUR
$4,755 USD
View
Most Expensive
Brilliant Earth
18430828A · Oct 30
€5,818 EUR
$6,500 USD
View
Price under review
20 more retailers have this diamond
Prices start from €678 EURSave up to €3,579 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
5.08ct Round
€678 EUR