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Round|Lab Grown|IGI

4.27ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG804610007

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804610007

Diamond specifications and retailer prices

From €469 EUR
$524 USD
As of October 29, 2026
Save €1,973 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,442 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.27ct lab-grown round diamond

This 4.27ct 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 LG804610007 or 804610007. Listed at 10 retailers as of October 29, 2026, with prices from €469 to €2,442, a €1,973 spread on the same certified stone. MOH London lists it at €2,442. 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

4.27
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804610007
Dimensions10.44 × 10.50 × 6.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.44 mm10.50 mm4.27 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804610007
Side View
Table 62.0%Crown 32.3°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 59.4%

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: €2,442 EUR|Low: €461 EUR|High: €2,776 EUR|Avg: €1,420 EUR|-12.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 8€469 EUR
Retailer 7€525 EUR
Retailer 10€651 EUR
Retailer 2€889 EUR
Retailer 11€944 EUR
Retailer 3€1,008 EUR
Retailer 5€1,502 EUR
Retailer 6€1,504 EUR
Retailer 9€1,531 EUR
Retailer 12€2,296 EUR
Retailer 4€2,416 EUR
MOH London€2,442 EUR

28 data points across 12 retailers

10 retailers€469 EUR to €2,442 EUR

A
Cheapest Retailer
-
€469 EUR
$524 USD
A
Retailer 2
-
€525 EUR
$587 USD
View
Retailer 3
-
€651 EUR
£573 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
€889 EUR
View
A
Retailer 5
-
€944 EUR
$1,055 USD
View
B
Retailer 6
-
€1,502 EUR
$1,678 USD
View
B
Retailer 7
-
€1,504 EUR
$1,680 USD
View
B+
Retailer 8
-
€1,531 EUR
$1,710 USD
View
Retailer 9
-
€2,296 EUR
SGD 3,466 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG804610007 · Oct 29
€2,442 EUR
£2,148 GBP
View
9 more retailers have this diamond
Prices start from €469 EURSave up to €1,973 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
4.27ct Round
€469 EUR