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4.50ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG662485990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662485990

Diamond specifications and retailer prices

From $1,421 NZD
$801 USD
As of November 1, 2026
Save $4,794 NZD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,215 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 4.5ct lab-grown round diamond

This 4.5ct 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 LG662485990 or 662485990. Listed at 13 retailers as of October 29, 2026, with prices from $1,421 to $6,215, a $4,794 spread on the same certified stone. MOH London lists it at $6,215. 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

4.50
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662485990
Dimensions10.62 × 10.67 × 6.48 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
10.62 mm10.67 mm4.50 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662485990
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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: $6,215 NZD|Low: $1,421 NZD|High: $10,167 NZD|Avg: $4,154 NZD
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
Retailer 16
November 1, 2026
Retailer 12$1,421 NZD
Retailer 10$1,547 NZD
Retailer 15$1,648 NZD
Retailer 16$1,930 NZD
Retailer 14$2,303 NZD
Retailer 9$2,522 NZD
Retailer 13$2,618 NZD
Retailer 4$2,660 NZD
Retailer 2$3,091 NZD
Retailer 11$3,921 NZD
Retailer 5$4,196 NZD
Retailer 6$4,636 NZD
Retailer 3$5,268 NZD
MOH London$6,215 NZD
Retailer 7$10,098 NZD
Retailer 8$10,167 NZD

5 data points across 16 retailers

13 retailers$1,421 NZD to $6,215 NZD

A
Cheapest Retailer
-
$1,421 NZD
$801 USD
A
Retailer 2
-
$1,547 NZD
$872 USD
View
A
Retailer 3
-
$1,648 NZD
$929 USD
View
A
Retailer 4
-
$1,930 NZD
HK$8,500 HKD
View
A
Retailer 5
-
$2,303 NZD
$1,298 USD
View
A
Retailer 6
-
$2,522 NZD
£1,119 GBP
View
B+
Retailer 7
-
$2,618 NZD
€1,405 EUR
View
B+
Retailer 8
-
$2,660 NZD
$1,499 USD
View
B+
Retailer 9
-
$3,091 NZD
£1,372 GBP
View
B
Retailer 10
-
$3,921 NZD
$2,210 USD
View
B
Retailer 11
-
$4,636 NZD
$2,613 USD
View
B
Retailer 12
-
$5,268 NZD
$2,969 USD
View
Most Expensive
B
MOH London
LG662485990 · Oct 29
$6,215 NZD
£2,758 GBP
View
12 more retailers have this diamond
Prices start from $1,421 NZDSave up to $4,794 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
4.50ct Round
$1,421 NZD