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Round|Lab Grown|IGI

1.53ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG756580438

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756580438

Diamond specifications and retailer prices

From $549 AUD
$385 USD
As of November 1, 2026
Save $2,362 AUD (81%) vs most expensive(unlock to see where)
23 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 LG756580438 or 756580438. Listed at 23 retailers as of November 1, 2026, with prices from $549 to $2,911, a $2,362 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 angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756580438
Dimensions7.35 × 7.30 × 4.55 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
7.35 mm7.30 mm1.53 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756580438
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 1
Current: $2,911 AUD|Low: $544 AUD|High: $3,325 AUD|Avg: $1,456 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 4$549 AUD
Retailer 6$713 AUD
Retailer 8$828 AUD
Retailer 2$854 AUD
Retailer 14$1,082 AUD
Retailer 7$1,091 AUD
Retailer 13$1,274 AUD
Retailer 9$1,281 AUD
Retailer 11$1,413 AUD
Retailer 5$1,858 AUD
Retailer 3$2,018 AUD
Retailer 12$2,300 AUD
Retailer 10$2,392 AUD
Brilliant Earth$2,911 AUD

43 data points across 14 retailers

23 retailers$549 AUD to $2,911 AUD

Retailer 1
-
$489 AUD
$343 USD
Price last confirmed 41 days ago
Retailer 2
-
$489 AUD
$343 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$549 AUD
$385 USD
View
Final sale: no returns
Retailer 4
-
$568 AUD
$398 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$599 AUD
$420 USD
View
Price last confirmed 42 days ago
Retailer 6
-
$606 AUD
$425 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$606 AUD
$425 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
$713 AUD
$500 USD
View
A
Retailer 9
-
$828 AUD
$580 USD
View
A
Retailer 10
-
$854 AUD
€570 EUR
View
A
Retailer 11
-
$1,082 AUD
$758 USD
View
A
Retailer 12
-
$1,091 AUD
£602 GBP
View
B+
Retailer 13
-
$1,274 AUD
$893 USD
View
B+
Retailer 14
-
$1,281 AUD
$898 USD
View
B+
Retailer 15
-
$1,364 AUD
$956 USD
View
B+
Retailer 16
-
$1,413 AUD
View
B
Retailer 17
-
$1,858 AUD
SGD 1,760 SGD
View
Retailer 18
-
$1,951 AUD
$1,367 USD
View
Price last confirmed 43 days ago
Retailer 19
-
$1,951 AUD
$1,367 USD
View
Price last confirmed 26 days ago
B
Retailer 20
-
$2,018 AUD
$1,414 USD
View
B
Retailer 21
-
$2,300 AUD
$1,612 USD
View
B
Retailer 22
-
$2,392 AUD
£1,320 GBP
View
Most Expensive
B
Brilliant Earth
17365066A · Nov 2
$2,911 AUD
$2,040 USD
View
22 more retailers have this diamond
Prices start from $549 AUDSave up to $2,362 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
$549 AUD