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Round|Lab Grown|IGI

3.98ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG615379562

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615379562

Diamond specifications and retailer prices

From €538 EUR
$601 USD
As of November 1, 2026
Save €2,362 EUR (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,900 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 3.98ct lab-grown round diamond

This 3.98ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615379562 or 615379562. Listed at 17 retailers as of October 26, 2026, with prices from €538 to €2,900, a €2,362 spread on the same certified stone. MOH London lists it at €2,900. 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

3.98
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615379562
Dimensions10.19 × 10.21 × 6.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.19 mm10.21 mm3.98 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615379562
Side View
Table 58.0%Crown 34.4°Girdle: Med.Pavilion 41.2°Culet: NoneDepth 61.5%

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: Nov 1
Current: €2,900 EUR|Low: €516 EUR|High: €3,661 EUR|Avg: €1,390 EUR|+0.1%
MOH London
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
November 1, 2026
Retailer 14€538 EUR
Retailer 5€602 EUR
Retailer 7€603 EUR
Retailer 15€667 EUR
Retailer 9€783 EUR
Retailer 13€895 EUR
Retailer 4€943 EUR
Retailer 2€1,041 EUR
Retailer 11€1,061 EUR
Retailer 12€1,656 EUR
Retailer 6€1,754 EUR
Retailer 10€1,772 EUR
Retailer 3€2,108 EUR
Retailer 8€2,309 EUR
MOH London€2,900 EUR

42 data points across 15 retailers

17 retailers€538 EUR to €2,900 EUR

A
Cheapest Retailer
-
€538 EUR
$601 USD
A
Retailer 2
-
€602 EUR
$673 USD
View
A
Retailer 3
-
€603 EUR
$674 USD
View
Final sale: no returns
Retailer 4
-
€667 EUR
$745 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
€667 EUR
$745 USD
View
A
Retailer 6
-
€733 EUR
HK$6,400 HKD
View
A
Retailer 7
-
€783 EUR
$875 USD
View
B+
Retailer 8
-
€895 EUR
$1,000 USD
View
A
Retailer 9
-
€943 EUR
$1,054 USD
View
A
Retailer 10
-
€1,041 EUR
£915 GBP
View
B
Retailer 11
-
€1,656 EUR
$1,850 USD
View
B+
Retailer 12
-
€1,754 EUR
$1,960 USD
View
Retailer 13
-
€1,772 EUR
$1,980 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
€2,108 EUR
SGD 3,183 SGD
View
B
Retailer 15
-
€2,309 EUR
$2,580 USD
View
B
Retailer 16
-
€2,685 EUR
$3,000 USD
View
Most Expensive
B
MOH London
LG615379562 · Oct 26
€2,900 EUR
£2,551 GBP
View
16 more retailers have this diamond
Prices start from €538 EURSave up to €2,362 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
3.98ct Round
€538 EUR