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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 $935 NZD
$527 USD
As of November 1, 2026
Save $3,928 NZD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,863 NZD 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 $935 to $4,863, a $3,928 spread on the same certified stone. MOH London lists it at $4,863. 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
Colour
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

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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: $4,863 NZD|Low: $747 NZD|High: $4,897 NZD|Avg: $2,155 NZD|+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 1, 2026
Retailer 3$747 NZD
Retailer 8$935 NZD
Retailer 9$1,159 NZD
Retailer 12$1,159 NZD
Retailer 5$1,402 NZD
Retailer 2$1,791 NZD
Retailer 10$1,794 NZD
Retailer 11$1,883 NZD
Retailer 4$2,951 NZD
Retailer 7$2,990 NZD
Retailer 6$3,850 NZD
MOH London$4,863 NZD

40 data points across 12 retailers

13 retailers$935 NZD to $4,863 NZD

A
Cheapest Retailer
-
$935 NZD
$527 USD
A
Retailer 2
-
$1,047 NZD
$590 USD
View
A
Retailer 3
-
$1,159 NZD
$653 USD
View
Retailer 4
-
$1,159 NZD
$653 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,402 NZD
$790 USD
View
A
Retailer 6
-
$1,791 NZD
£795 GBP
View
B+
Retailer 7
-
$1,794 NZD
$1,011 USD
View
A
Retailer 8
-
$1,883 NZD
$1,061 USD
View
B+
Retailer 9
-
$2,951 NZD
$1,663 USD
View
B+
Retailer 10
-
$2,990 NZD
$1,685 USD
View
B+
Retailer 11
-
$3,048 NZD
$1,718 USD
View
Retailer 12
-
$3,850 NZD
$2,170 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG644404717 · Oct 29
$4,863 NZD
£2,158 GBP
View
12 more retailers have this diamond
Prices start from $935 NZDSave up to $3,928 NZD

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
$935 NZD