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Round|Lab Grown|IGI

2.58ct F I1 Round Lab Grown Diamond

ID • F/I1 • IGI LG650413240

Shape and cutting style on the report: Round brilliant

Certificate IGI LG650413240

Diamond specifications and retailer prices

From $469 AUD
$329 USD
As of October 29, 2026
Save $1,400 AUD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,869 AUD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 2.58ct lab-grown round diamond

This 2.58ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG650413240 or 650413240. Listed at 9 retailers as of October 29, 2026, with prices from $469 to $1,869, a $1,400 spread on the same certified stone. NZ Jewellers lists it at $1,869. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.58
Carat
F
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650413240
Dimensions8.83 × 8.86 × 5.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.83 mm8.86 mm2.58 ctF / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650413240
Side View
Table 57.0%Crown 34.6°GirdlePavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,869 AUD|Low: $469 AUD|High: $1,869 AUD|Avg: $956 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$469 AUD
Retailer 3$544 AUD
Retailer 9$582 AUD
Retailer 7$639 AUD
Retailer 5$935 AUD
Retailer 8$940 AUD
Retailer 6$1,009 AUD
Retailer 2$1,705 AUD
NZ Jewellers$1,869 AUD

4 data points across 9 retailers

9 retailers$469 AUD to $1,869 AUD

B+
Cheapest Retailer
-
$469 AUD
$329 USD
B+
Retailer 2
-
$544 AUD
$381 USD
View
B+
Retailer 3
-
$582 AUD
$408 USD
View
B+
Retailer 4
-
$639 AUD
HK$3,500 HKD
View
B+
Retailer 5
-
$935 AUD
€624 EUR
View
B+
Retailer 6
-
$940 AUD
$659 USD
View
B+
Retailer 7
-
$1,009 AUD
$707 USD
View
B
Retailer 8
-
$1,705 AUD
$1,195 USD
View
Most Expensive
B
NZ Jewellers
865fe4a0-0a35-447a-ba63-5cf937ad146c · Oct 31
$1,869 AUD
$1,310 USD
View
8 more retailers have this diamond
Prices start from $469 AUDSave up to $1,400 AUD

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.

B+
2.58ct Round
$469 AUD