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Round|Lab Grown|IGI

1.53ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG678537456

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678537456

Diamond specifications and retailer prices

From $489 AUD
As of November 5, 2026
Save $4,197 AUD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $4,685 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG678537456 or 678537456. Listed at 29 retailers as of November 5, 2026, with prices from $489 to $4,685, a $4,197 spread on the same certified stone. Brilliant Earth lists it at $4,685. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678537456
Dimensions7.39 × 7.45 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.39 mm7.45 mm1.53 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678537456
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

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: $4,685 AUD|Low: $484 AUD|High: $5,243 AUD|Avg: $1,555 AUD|-10.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 23
November 6, 2026
Retailer 14$489 AUD
Retailer 20$546 AUD
Retailer 6$567 AUD
Retailer 9$606 AUD
Retailer 10$606 AUD
Retailer 5$821 AUD
Retailer 8$973 AUD
Retailer 11$977 AUD
Retailer 19$1,004 AUD
Retailer 4$1,029 AUD
Retailer 21$1,044 AUD
Retailer 13$1,074 AUD
Retailer 7$1,269 AUD
Retailer 17$1,424 AUD
Retailer 2$1,778 AUD
Retailer 23$1,930 AUD
Retailer 15$1,948 AUD
Retailer 16$2,008 AUD
Retailer 22$2,290 AUD
Retailer 12$2,353 AUD
Retailer 3$2,441 AUD
Retailer 18$2,700 AUD
Brilliant Earth$4,685 AUD

35 data points across 23 retailers

29 retailers$489 AUD to $4,685 AUD

Retailer 1
-
$484 AUD
Price last confirmed 45 days ago
A
Retailer 2
-
$489 AUD
View
A
Retailer 3
-
$546 AUD
View
Final sale: no returns
A
Retailer 4
-
$567 AUD
View
Retailer 5
-
$593 AUD
View
Price last confirmed 45 days ago
Retailer 6
-
$606 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$606 AUD
View
A
Retailer 8
-
$821 AUD
View
A
Retailer 9
-
$973 AUD
View
A
Retailer 10
-
$977 AUD
View
A
Retailer 11
-
$1,004 AUD
View
A
Retailer 12
-
$1,029 AUD
View
A
Retailer 13
-
$1,044 AUD
View
A
Retailer 14
-
$1,074 AUD
View
B+
Retailer 15
-
$1,269 AUD
View
B+
Retailer 16
-
$1,424 AUD
View
B+
Retailer 17
-
$1,778 AUD
View
B+
Retailer 18
-
$1,930 AUD
View
Retailer 19
-
$1,931 AUD
View
Price last confirmed 46 days ago
B
Retailer 20
-
$1,948 AUD
View
B
Retailer 21
-
$2,008 AUD
View
B
Retailer 22
-
$2,028 AUD
View
B
Retailer 23
-
$2,203 AUD
View
B
Retailer 24
-
$2,290 AUD
View
B
Retailer 25
-
$2,353 AUD
View
Retailer 26
-
$2,441 AUD
View
Price last confirmed 8 days ago
B
Retailer 27
-
$2,700 AUD
View
B
Retailer 28
-
$4,600 AUD
View
Most Expensive
B
Brilliant Earth
14719549A · Nov 5
$4,685 AUD
$3,280 USD
View
28 more retailers have this diamond
Prices start from $489 AUDSave up to $4,197 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
1.53ct Round
$489 AUD