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Round|Lab Grown|IGI

1.53ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG756524531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756524531

Diamond specifications and retailer prices

From $628 AUD
$440 USD
As of November 1, 2026
Save $2,283 AUD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,911 AUD at Brilliant Earth · As of November 2, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756524531 or 756524531. Listed at 24 retailers as of November 2, 2026, with prices from $628 to $2,911, a $2,283 spread on the same certified stone. Brilliant Earth lists it at $2,911. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756524531
Dimensions7.37 × 7.41 × 4.59 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 Faint Blue
Top View
7.37 mm7.41 mm1.53 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756524531
Side View
Table 56.0%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

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: Nov 1
Current: $2,911 AUD|Low: $467 AUD|High: $3,325 AUD|Avg: $1,292 AUD|-12.4%
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
November 2, 2026
Retailer 6$467 AUD
Retailer 9$628 AUD
Retailer 12$628 AUD
Retailer 10$760 AUD
Retailer 7$805 AUD
Retailer 2$891 AUD
Retailer 5$949 AUD
Retailer 11$1,085 AUD
Retailer 14$1,434 AUD
Retailer 3$1,835 AUD
Retailer 8$1,870 AUD
Retailer 4$1,892 AUD
Retailer 13$2,661 AUD
Brilliant Earth$2,911 AUD

39 data points across 14 retailers

24 retailers$628 AUD to $2,911 AUD

Retailer 1
-
$377 AUD
$264 USD
Price last confirmed 15 days ago
Retailer 2
-
$377 AUD
$264 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$437 AUD
$306 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$461 AUD
$323 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$467 AUD
$327 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$467 AUD
$327 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$628 AUD
$440 USD
View
A
Retailer 8
-
$628 AUD
$440 USD
View
A
Retailer 9
-
$760 AUD
€507 EUR
View
A
Retailer 10
-
$805 AUD
ZAR 9,109 ZAR
View
A
Retailer 11
-
$891 AUD
£492 GBP
View
A
Retailer 12
-
$949 AUD
$665 USD
View
A
Retailer 13
-
$1,085 AUD
View
B+
Retailer 14
-
$1,234 AUD
$865 USD
View
B+
Retailer 15
-
$1,434 AUD
$1,005 USD
View
Retailer 16
-
$1,500 AUD
$1,051 USD
View
Price last confirmed 37 days ago
Retailer 17
-
$1,500 AUD
$1,051 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$1,573 AUD
$1,102 USD
View
B+
Retailer 19
-
$1,708 AUD
$1,197 USD
View
B+
Retailer 20
-
$1,835 AUD
$1,286 USD
View
B+
Retailer 21
-
$1,870 AUD
£1,032 GBP
View
Retailer 22
-
$1,892 AUD
SGD 1,792 SGD
View
Price last confirmed 21 days ago
Retailer 23
-
$2,661 AUD
$1,865 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
20458497A · Nov 2
$2,911 AUD
$2,040 USD
View
23 more retailers have this diamond
Prices start from $628 AUDSave up to $2,283 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
$628 AUD