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Round|Lab Grown|IGI

4.03ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG547235129

Shape and cutting style on the report: Round brilliant

Certificate IGI LG547235129

Diamond specifications and retailer prices

From €615 EUR
$687 USD
As of October 29, 2026
Save €3,754 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,369 EUR at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

About this 4.03ct lab-grown round diamond

This 4.03ct 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 LG547235129 or 547235129. Listed at 18 retailers as of October 29, 2026, with prices from €615 to €4,369, a €3,754 spread on the same certified stone. Mervis Diamond Importers lists it at €4,369. 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

4.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547235129
Dimensions10.27 × 10.21 × 6.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.27 mm10.21 mm4.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547235129
Side View
Table 57.5%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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: €4,369 EUR|Low: €590 EUR|High: €4,795 EUR|Avg: €1,843 EUR|-8.9%
Mervis Diamond Importers
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 15€615 EUR
Retailer 6€688 EUR
Retailer 3€713 EUR
Retailer 7€713 EUR
Retailer 10€873 EUR
Retailer 5€1,087 EUR
Retailer 4€1,159 EUR
Retailer 2€1,191 EUR
Retailer 11€1,335 EUR
Retailer 14€1,756 EUR
Retailer 8€2,200 EUR
Retailer 13€2,314 EUR
Retailer 12€2,373 EUR
Retailer 9€2,966 EUR
Retailer 16€3,804 EUR
Mervis Diamond Importers€4,369 EUR

40 data points across 16 retailers

18 retailers€615 EUR to €4,369 EUR

A
Cheapest Retailer
-
€615 EUR
$687 USD
A
Retailer 2
-
€669 EUR
$747 USD
View
A
Retailer 3
-
€688 EUR
$769 USD
View
Final sale: no returns
A
Retailer 4
-
€713 EUR
$797 USD
View
Retailer 5
-
€713 EUR
$797 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€873 EUR
$975 USD
View
B+
Retailer 7
-
€1,087 EUR
$1,214 USD
View
B+
Retailer 8
-
€1,159 EUR
$1,295 USD
View
B+
Retailer 9
-
€1,191 EUR
£1,048 GBP
View
B+
Retailer 10
-
€1,335 EUR
$1,492 USD
View
B+
Retailer 11
-
€1,756 EUR
$1,962 USD
View
B
Retailer 12
-
€2,200 EUR
$2,458 USD
View
B
Retailer 13
-
€2,213 EUR
$2,472 USD
View
Retailer 14
-
€2,314 EUR
$2,585 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
€2,373 EUR
$2,651 USD
View
B
Retailer 16
-
€2,966 EUR
£2,609 GBP
View
B
Retailer 17
-
€3,804 EUR
$4,250 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409095 · Oct 29
€4,369 EUR
$4,881 USD
View
17 more retailers have this diamond
Prices start from €615 EURSave up to €3,754 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
4.03ct Round
€615 EUR