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4.17ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG591369365

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591369365

Diamond specifications and retailer prices

From $922 USD
HK$7,200 HKD
As of November 1, 2026
Save $2,191 USD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,113 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.17ct lab-grown round diamond

This 4.17ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591369365 or 591369365. Listed at 10 retailers as of November 1, 2026, with prices from $922 to $3,113, a $2,191 spread on the same certified stone. MOH London lists it at $3,113. 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

4.17
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591369365
Dimensions10.27 × 10.31 × 6.39 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
10.27 mm10.31 mm4.17 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591369365
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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: $3,113 USD|Low: $922 USD|High: $4,960 USD|Avg: $1,950 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$922 USD
Retailer 8$1,042 USD
Retailer 9$1,083 USD
Retailer 2$1,146 USD
Retailer 3$1,166 USD
Retailer 5$1,585 USD
Retailer 4$2,450 USD
Retailer 7$2,681 USD
MOH London$3,113 USD

42 data points across 9 retailers

10 retailers$922 USD to $3,113 USD

A
Cheapest Retailer
-
$922 USD
HK$7,200 HKD
A
Retailer 2
-
$1,042 USD
View
A
Retailer 3
-
$1,083 USD
View
A
Retailer 4
-
$1,146 USD
€1,091 EUR
View
A
Retailer 5
-
$1,166 USD
£918 GBP
View
B+
Retailer 6
-
$1,585 USD
A$2,438 AUD
View
B
Retailer 7
-
$2,077 USD
View
B
Retailer 8
-
$2,450 USD
View
B
Retailer 9
-
$2,681 USD
SGD 3,623 SGD
View
Most Expensive
B
MOH London
LG591369365 · Nov 1
$3,113 USD
£2,451 GBP
View
9 more retailers have this diamond
Prices start from $922 USDSave up to $2,191 USD

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
4.17ct Round
$922 USD