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Round|Lab Grown|IGI

4.35ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG644404717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644404717

Diamond specifications and retailer prices

From $527 USD
As of November 1, 2026
Save $2,214 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,741 USD at MOH London · As of October 29, 2026
View at MOH London

About this 4.35ct lab-grown round diamond

This 4.35ct 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 LG644404717 or 644404717. Listed at 13 retailers as of October 29, 2026, with prices from $527 to $2,741, a $2,214 spread on the same certified stone. MOH London lists it at $2,741. 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

4.35
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644404717
Dimensions10.59 × 10.56 × 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 Type IIa
Top View
10.59 mm10.56 mm4.35 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644404717
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,741 USD|Low: $421 USD|High: $2,760 USD|Avg: $1,215 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 3$421 USD
Retailer 8$527 USD
Retailer 9$653 USD
Retailer 12$653 USD
Retailer 5$790 USD
Retailer 2$1,010 USD
Retailer 10$1,011 USD
Retailer 11$1,061 USD
Retailer 4$1,663 USD
Retailer 7$1,685 USD
Retailer 6$2,170 USD
MOH London$2,741 USD

41 data points across 12 retailers

13 retailers$527 USD to $2,741 USD

A
Cheapest Retailer
-
$527 USD
A
Retailer 2
-
$590 USD
View
A
Retailer 3
-
$653 USD
View
Retailer 4
-
$653 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$790 USD
View
A
Retailer 6
-
$1,010 USD
£795 GBP
View
B+
Retailer 7
-
$1,011 USD
View
A
Retailer 8
-
$1,061 USD
View
B+
Retailer 9
-
$1,663 USD
View
B+
Retailer 10
-
$1,685 USD
View
B+
Retailer 11
-
$1,718 USD
View
Retailer 12
-
$2,170 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG644404717 · Oct 29
$2,741 USD
£2,158 GBP
View
12 more retailers have this diamond
Prices start from $527 USDSave up to $2,214 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
4.35ct Round
$527 USD