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Radiant|Lab Grown|IGI

1.60ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG517225667

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

Certificate IGI LG517225667

Diamond specifications and retailer prices

From $426 AUD
$299 USD
As of November 1, 2026
Save $2,991 AUD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,417 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant 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 LG517225667 or 517225667. Listed at 23 retailers as of October 31, 2026, with prices from $426 to $3,417, a $2,991 spread on the same certified stone. Brilliant Earth lists it at $3,417. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517225667
Dimensions8.38 × 5.89 × 3.95 mm
L/W Ratio1.42
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
8.38 mm5.89 mm1.60 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517225667
Side View
Table 62.0%Crown 42.1°Girdle: MediumPavilion 36°Culet: NoneDepth 67.1%

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: $3,417 AUD|Low: $426 AUD|High: $3,844 AUD|Avg: $1,341 AUD|-11.1%
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
November 2, 2026
Retailer 3$426 AUD
Retailer 15$655 AUD
Retailer 7$674 AUD
Retailer 16$698 AUD
Retailer 11$813 AUD
Retailer 6$827 AUD
Retailer 10$850 AUD
Retailer 2$869 AUD
Retailer 17$1,122 AUD
Retailer 13$1,146 AUD
Retailer 14$1,372 AUD
Retailer 4$1,757 AUD
Retailer 8$1,823 AUD
Retailer 9$1,953 AUD
Retailer 12$1,987 AUD
Retailer 5$3,203 AUD
Brilliant Earth$3,417 AUD

44 data points across 17 retailers

23 retailers$426 AUD to $3,417 AUD

Retailer 1
-
$360 AUD
$253 USD
Price last confirmed 24 days ago
Retailer 2
-
$390 AUD
$274 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$426 AUD
$299 USD
View
Final sale: no returns
Retailer 4
-
$447 AUD
$314 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$453 AUD
$318 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$477 AUD
$335 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$655 AUD
$460 USD
View
A
Retailer 8
-
$674 AUD
HK$3,700 HKD
View
A
Retailer 9
-
$698 AUD
$490 USD
View
A
Retailer 10
-
$813 AUD
€544 EUR
View
A
Retailer 11
-
$827 AUD
$581 USD
View
A
Retailer 12
-
$850 AUD
ZAR 9,649 ZAR
View
A
Retailer 13
-
$869 AUD
£481 GBP
View
A
Retailer 14
-
$1,122 AUD
$788 USD
View
A
Retailer 15
-
$1,146 AUD
View
B+
Retailer 16
-
$1,372 AUD
$964 USD
View
Retailer 17
-
$1,715 AUD
$1,205 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$1,757 AUD
$1,234 USD
View
B+
Retailer 19
-
$1,823 AUD
$1,280 USD
View
B+
Retailer 20
-
$1,953 AUD
SGD 1,854 SGD
View
B+
Retailer 21
-
$1,987 AUD
£1,099 GBP
View
B
Retailer 22
-
$3,203 AUD
$2,250 USD
View
Most Expensive
B
Brilliant Earth
6409602Y · Oct 31
$3,417 AUD
$2,400 USD
View
22 more retailers have this diamond
Prices start from $426 AUDSave up to $2,991 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
1.60ct Radiant
$426 AUD