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Radiant|Lab Grown|IGI

1.03ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG779645252

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

Certificate IGI LG779645252

Diamond specifications and retailer prices

From $306 AUD
$215 USD
As of October 30, 2026
Save $1,460 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,434 AUD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG779645252 or 779645252. Listed at 22 retailers as of October 30, 2026, with a 477% 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

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779645252
Dimensions7.31 × 4.93 × 3.35 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm4.93 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779645252
Side View
Table 65.0%Crown 44.1°Girdle: MediumPavilion 37.4°Culet: NoneDepth 68.0%

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: $2,434 AUD|Low: $242 AUD|High: $2,434 AUD|Avg: $845 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
Retailer 17
October 30, 2026
Retailer 3$306 AUD
Retailer 15$340 AUD
Retailer 6$354 AUD
Retailer 4$379 AUD
Retailer 7$379 AUD
Retailer 2$538 AUD
Retailer 16$611 AUD
Retailer 13$651 AUD
Retailer 10$702 AUD
Retailer 9$713 AUD
Retailer 14$926 AUD
Retailer 5$1,219 AUD
Retailer 17$1,221 AUD
Retailer 12$1,272 AUD
Retailer 8$1,475 AUD
Retailer 11$1,526 AUD
Brilliant Earth$2,434 AUD

44 data points across 17 retailers

22 retailers$306 AUD to $1,766 AUD

A
Cheapest Retailer
-
$306 AUD
$215 USD
A
Retailer 2
-
$340 AUD
$239 USD
View
Final sale: no returns
A
Retailer 3
-
$354 AUD
$249 USD
View
A
Retailer 4
-
$379 AUD
$266 USD
View
A
Retailer 5
-
$379 AUD
$266 USD
View
A
Retailer 6
-
$419 AUD
HK$2,300 HKD
View
A
Retailer 7
-
$538 AUD
$378 USD
View
Retailer 8
-
$611 AUD
€409 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$651 AUD
ZAR 7,386 ZAR
View
A
Retailer 10
-
$702 AUD
£388 GBP
View
A
Retailer 11
-
$713 AUD
$501 USD
View
A
Retailer 12
-
$833 AUD
$585 USD
View
B+
Retailer 13
-
$926 AUD
View
B+
Retailer 14
-
$1,027 AUD
SGD 975 SGD
View
B+
Retailer 15
-
$1,219 AUD
$856 USD
View
B+
Retailer 16
-
$1,221 AUD
$858 USD
View
B+
Retailer 17
-
$1,272 AUD
View
B+
Retailer 18
-
$1,293 AUD
$908 USD
View
B
Retailer 19
-
$1,475 AUD
£816 GBP
View
B+
Retailer 20
-
$1,526 AUD
£844 GBP
View
B
Retailer 21
-
$1,766 AUD
$1,240 USD
View
Most Expensive
Brilliant Earth
18018351A · Oct 22
$2,434 AUD
$1,710 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $306 AUDSave up to $1,460 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
1.03ct Radiant
$306 AUD