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Round|Lab Grown|IGI

1.50ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG792695803

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792695803

Diamond specifications and retailer prices

From $274 AUD
As of November 5, 2026
Save $1,340 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,614 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792695803 or 792695803. Listed at 18 retailers as of November 5, 2026, with prices from $274 to $1,614, a $1,340 spread on the same certified stone. Brilliant Earth lists it at $1,614. 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

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792695803
Dimensions7.39 × 7.35 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.35 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792695803
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,614 AUD|Low: $274 AUD|High: $1,637 AUD|Avg: $790 AUD|+2.7%
Brilliant Earth
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 8$274 AUD
Retailer 4$306 AUD
Retailer 3$319 AUD
Retailer 16$340 AUD
Retailer 9$343 AUD
Retailer 5$596 AUD
Retailer 10$599 AUD
Retailer 11$611 AUD
Retailer 2$621 AUD
Retailer 15$740 AUD
Retailer 18$816 AUD
Retailer 12$903 AUD
Retailer 14$1,014 AUD
Retailer 17$1,094 AUD
Retailer 6$1,113 AUD
Retailer 7$1,170 AUD
Retailer 13$1,587 AUD
Brilliant Earth$1,614 AUD

26 data points across 18 retailers

18 retailers$274 AUD to $1,614 AUD

A
Cheapest Retailer
-
$274 AUD
A
Retailer 2
-
$306 AUD
View
Final sale: no returns
A
Retailer 3
-
$319 AUD
View
A
Retailer 4
-
$340 AUD
View
Retailer 5
-
$343 AUD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$596 AUD
View
A
Retailer 7
-
$599 AUD
View
A
Retailer 8
-
$611 AUD
View
A
Retailer 9
-
$621 AUD
View
A
Retailer 10
-
$740 AUD
View
B+
Retailer 11
-
$816 AUD
View
B+
Retailer 12
-
$903 AUD
View
B+
Retailer 13
-
$1,014 AUD
View
B
Retailer 14
-
$1,094 AUD
View
B+
Retailer 15
-
$1,113 AUD
View
B+
Retailer 16
-
$1,170 AUD
View
B
Retailer 17
-
$1,587 AUD
View
Most Expensive
B
Brilliant Earth
21501914A · Nov 5
$1,614 AUD
$1,130 USD
View
17 more retailers have this diamond
Prices start from $274 AUDSave up to $1,340 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.

A
1.50ct Round
$274 AUD