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Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG631429445

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

Certificate IGI LG631429445

Diamond specifications and retailer prices

From $296 AUD
$208 USD
As of October 30, 2026
Save $2,167 AUD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,463 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.17ct lab-grown radiant diamond

This 1.17ct 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 LG631429445 or 631429445. Listed at 22 retailers as of October 30, 2026, with prices from $296 to $2,463, a $2,167 spread on the same certified stone. Brilliant Earth lists it at $2,463. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631429445
Dimensions5.18 × 5.18 × 3.55 mm
L/W Ratio1.00
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
5.18 mm5.18 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631429445
Side View
Table 63.0%Crown 36.4°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 68.5%

Caratlytics Score

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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 30
Current: $2,463 AUD|Low: $285 AUD|High: $3,189 AUD|Avg: $867 AUD|-22.8%
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
Retailer 18
November 1, 2026
Retailer 4$296 AUD
Retailer 10$330 AUD
Retailer 14$345 AUD
Retailer 5$367 AUD
Retailer 7$367 AUD
Retailer 2$635 AUD
Retailer 13$671 AUD
Retailer 12$678 AUD
Retailer 8$712 AUD
Retailer 18$899 AUD
Retailer 9$1,035 AUD
Retailer 6$1,182 AUD
Retailer 16$1,186 AUD
Retailer 15$1,257 AUD
Retailer 3$1,425 AUD
Retailer 17$1,481 AUD
Retailer 11$1,736 AUD
Brilliant Earth$2,463 AUD

44 data points across 18 retailers

22 retailers$296 AUD to $2,463 AUD

A
Cheapest Retailer
-
$296 AUD
$208 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$345 AUD
$242 USD
View
Retailer 4
-
$363 AUD
$255 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$367 AUD
$258 USD
View
Retailer 6
-
$367 AUD
$258 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$495 AUD
$348 USD
View
A
Retailer 8
-
$635 AUD
ZAR 7,201 ZAR
View
A
Retailer 9
-
$671 AUD
€449 EUR
View
A
Retailer 10
-
$678 AUD
£375 GBP
View
A
Retailer 11
-
$712 AUD
$500 USD
View
A
Retailer 12
-
$899 AUD
View
B+
Retailer 13
-
$955 AUD
$671 USD
View
B+
Retailer 14
-
$999 AUD
£553 GBP
View
B+
Retailer 15
-
$1,035 AUD
$727 USD
View
B+
Retailer 16
-
$1,182 AUD
$830 USD
View
B+
Retailer 17
-
$1,186 AUD
$833 USD
View
B+
Retailer 18
-
$1,257 AUD
$883 USD
View
Retailer 19
-
$1,425 AUD
View
Price last confirmed 7 days ago
B+
Retailer 20
-
$1,481 AUD
£819 GBP
View
B
Retailer 21
-
$1,736 AUD
$1,220 USD
View
Most Expensive
B
Brilliant Earth
14079215A · Oct 31
$2,463 AUD
$1,730 USD
View
21 more retailers have this diamond
Prices start from $296 AUDSave up to $2,167 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
1.17ct Radiant
$296 AUD