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4.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG578321347

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578321347

Diamond specifications and retailer prices

From $1,295 NZD
$730 USD
As of October 31, 2026
Save $4,060 NZD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,355 NZD at Adiamor · As of October 31, 2026
View at Adiamor

About this 4.54ct lab-grown round diamond

This 4.54ct 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 LG578321347 or 578321347. Listed at 13 retailers as of October 31, 2026, with prices from $1,295 to $5,355, a $4,060 spread on the same certified stone. Adiamor lists it at $5,355. 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

4.54
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578321347
Dimensions10.58 × 10.62 × 6.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
10.58 mm10.62 mm4.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578321347
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

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: Oct 31
Current: $5,355 NZD|Low: $672 NZD|High: $5,607 NZD|Avg: $2,388 NZD
Adiamor
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 11$940 NZD
Retailer 4$1,027 NZD
Retailer 3$1,042 NZD
Retailer 7$1,295 NZD
Retailer 6$1,626 NZD
Retailer 10$1,627 NZD
Retailer 5$1,709 NZD
Retailer 12$1,806 NZD
Retailer 9$2,800 NZD
Retailer 2$3,826 NZD
Retailer 8$5,074 NZD
Adiamor$5,355 NZD

37 data points across 12 retailers

13 retailers$1,295 NZD to $5,355 NZD

Retailer 1
-
$839 NZD
$473 USD
Price last confirmed 39 days ago
Retailer 2
-
$940 NZD
$530 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$1,027 NZD
$579 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$1,295 NZD
$730 USD
View
A
Retailer 5
-
$1,626 NZD
€873 EUR
View
B+
Retailer 6
-
$1,627 NZD
$917 USD
View
A
Retailer 7
-
$1,709 NZD
£758 GBP
View
A
Retailer 8
-
$1,806 NZD
$1,018 USD
View
B+
Retailer 9
-
$2,800 NZD
$1,578 USD
View
Retailer 10
-
$3,348 NZD
$1,887 USD
View
Price last confirmed 35 days ago
B+
Retailer 11
-
$3,826 NZD
£1,698 GBP
View
B
Retailer 12
-
$5,074 NZD
$2,860 USD
View
Most Expensive
B
Adiamor
D-82054893 · Oct 31
$5,355 NZD
$3,018 USD
View
12 more retailers have this diamond
Prices start from $1,295 NZDSave up to $4,060 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
4.54ct Round
$1,295 NZD