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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG488154720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154720

Diamond specifications and retailer prices

From $1,441 AUD
As of November 5, 2026
Save $2,161 AUD (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,669 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488154720 or 488154720. Listed at 12 retailers as of November 4, 2026, with a 150% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154720
Dimensions7.00 × 7.02 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.00 mm7.02 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154720
Side View
Table 55.0%Crown 35.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,669 AUD|Low: $1,441 AUD|High: $5,745 AUD|Avg: $2,518 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,441 AUD
Retailer 5$1,470 AUD
Retailer 8$1,614 AUD
Retailer 6$1,672 AUD
Retailer 9$1,928 AUD
Retailer 2$2,544 AUD
Retailer 7$2,671 AUD
Retailer 3$3,602 AUD
MOH London$5,669 AUD

42 data points across 9 retailers

12 retailers$1,441 AUD to $3,602 AUD

B
Cheapest Retailer
-
$1,441 AUD
B
Retailer 2
-
$1,470 AUD
View
B
Retailer 3
-
$1,567 AUD
View
B
Retailer 4
-
$1,614 AUD
View
Final sale: no returns
Retailer 5
-
$1,672 AUD
View
Price last confirmed 26 days ago
B
Retailer 6
-
$1,672 AUD
View
B
Retailer 7
-
$1,928 AUD
View
B
Retailer 8
-
$2,544 AUD
View
B
Retailer 9
-
$2,671 AUD
View
B
Retailer 10
-
$3,133 AUD
View
B
Retailer 11
-
$3,602 AUD
View
Most Expensive
MOH London
LG488154720 · Nov 3
$5,669 AUD
£3,067 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,441 AUDSave up to $2,161 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
1.30ct Round
$1,441 AUD