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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG692556782

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG692556782

Diamond specifications and retailer prices

From $374 AUD
$263 USD
As of October 30, 2026
Save $3,725 AUD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,099 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG692556782 or 692556782. Listed at 17 retailers as of October 29, 2026, with prices from $374 to $4,099, a $3,725 spread on the same certified stone. Brilliant Earth lists it at $4,099. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692556782
Dimensions7.80 × 5.88 × 3.95 mm
L/W Ratio1.33
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm5.88 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692556782
Side View
Table 67.0%Crown 44.4°Girdle: MED-STKPavilion 37°Culet: NoneDepth 67.2%

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: Oct 30
Current: $4,099 AUD|Low: $319 AUD|High: $4,227 AUD|Avg: $1,656 AUD|-3.0%
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
October 28, 2026
Retailer 13$374 AUD
Retailer 14$420 AUD
Retailer 12$436 AUD
Retailer 4$570 AUD
Retailer 17$622 AUD
Retailer 11$662 AUD
Retailer 3$840 AUD
Retailer 6$844 AUD
Retailer 10$1,194 AUD
Retailer 8$1,304 AUD
Retailer 5$1,489 AUD
Retailer 2$1,650 AUD
Retailer 9$1,786 AUD
Retailer 16$2,059 AUD
Retailer 7$3,060 AUD
Retailer 15$3,331 AUD
Brilliant Earth$4,099 AUD

34 data points across 17 retailers

17 retailers$374 AUD to $4,099 AUD

A
Cheapest Retailer
-
$374 AUD
$263 USD
A
Retailer 2
-
$420 AUD
$295 USD
View
Final sale: no returns
A
Retailer 3
-
$436 AUD
$306 USD
View
A
Retailer 4
-
$570 AUD
$400 USD
View
B+
Retailer 5
-
$622 AUD
$437 USD
View
A
Retailer 6
-
$662 AUD
$465 USD
View
A
Retailer 7
-
$840 AUD
$590 USD
View
A
Retailer 8
-
$844 AUD
€565 EUR
View
A
Retailer 9
-
$1,194 AUD
View
A
Retailer 10
-
$1,304 AUD
$916 USD
View
A
Retailer 11
-
$1,489 AUD
$1,046 USD
View
B+
Retailer 12
-
$1,650 AUD
$1,159 USD
View
B+
Retailer 13
-
$1,786 AUD
$1,255 USD
View
B+
Retailer 14
-
$2,059 AUD
£1,139 GBP
View
Retailer 15
-
$3,060 AUD
$2,150 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$3,331 AUD
$2,340 USD
View
Most Expensive
B
Brilliant Earth
21403070Y · Oct 29
$4,099 AUD
$2,880 USD
View
16 more retailers have this diamond
Prices start from $374 AUDSave up to $3,725 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
1.54ct Radiant
$374 AUD