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Radiant|Lab Grown|IGI

1.52ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG778695330

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

Certificate IGI LG778695330

Diamond specifications and retailer prices

From $372 AUD
$261 USD
As of October 27, 2026
Save $1,522 AUD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,199 AUD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct 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 LG778695330 or 778695330. Listed at 23 retailers as of October 27, 2026, with a 410% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778695330
Dimensions7.80 × 5.80 × 3.92 mm
L/W Ratio1.34
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
7.80 mm5.80 mm1.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778695330
Side View
Table 61.0%Crown 44.2°Girdle: MediumPavilion 36°Culet: NoneDepth 67.6%

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: Oct 27
Current: $4,071 AUD|Low: $414 AUD|High: $4,071 AUD|Avg: $1,278 AUD
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
October 29, 2026
Retailer 8$414 AUD
Retailer 15$690 AUD
Retailer 4$767 AUD
Retailer 12$785 AUD
Retailer 9$792 AUD
Retailer 6$836 AUD
Retailer 2$879 AUD
Retailer 10$1,072 AUD
Retailer 14$1,157 AUD
Retailer 5$1,443 AUD
Retailer 16$1,481 AUD
Retailer 7$1,555 AUD
Retailer 11$1,677 AUD
Retailer 13$1,858 AUD
Retailer 3$1,893 AUD
Brilliant Earth$4,071 AUD

37 data points across 16 retailers

23 retailers$372 AUD to $1,893 AUD

A
Cheapest Retailer
-
$372 AUD
$261 USD
A
Retailer 2
-
$414 AUD
$291 USD
View
Final sale: no returns
A
Retailer 3
-
$431 AUD
$303 USD
View
A
Retailer 4
-
$461 AUD
$324 USD
View
A
Retailer 5
-
$461 AUD
$324 USD
View
A
Retailer 6
-
$690 AUD
$485 USD
View
A
Retailer 7
-
$767 AUD
$539 USD
View
A
Retailer 8
-
$785 AUD
€525 EUR
View
A
Retailer 9
-
$792 AUD
ZAR 8,991 ZAR
View
A
Retailer 10
-
$836 AUD
$587 USD
View
A
Retailer 11
-
$879 AUD
£486 GBP
View
A
Retailer 12
-
$1,072 AUD
View
A
Retailer 13
-
$1,157 AUD
$813 USD
View
A
Retailer 14
-
$1,443 AUD
$1,014 USD
View
A
Retailer 15
-
$1,481 AUD
SGD 1,406 SGD
View
B+
Retailer 16
-
$1,482 AUD
$1,041 USD
View
B+
Retailer 17
-
$1,555 AUD
$1,093 USD
View
B+
Retailer 18
-
$1,644 AUD
$1,155 USD
View
B+
Retailer 19
-
$1,677 AUD
$1,178 USD
View
B+
Retailer 20
-
$1,858 AUD
£1,028 GBP
View
Price last confirmed 8 days ago
B+
Retailer 21
-
$1,893 AUD
$1,330 USD
View
B
Retailer 22
-
$4,071 AUD
$2,860 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
18480067A · Sep 28
$4,199 AUD
$2,950 USD
View
Price last confirmed 31 days ago
22 more retailers have this diamond
Prices start from $372 AUDSave up to $1,522 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
1.52ct Radiant
$372 AUD