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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 $532 NZD
As of November 4, 2026
Save $3,737 NZD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,269 NZD at Brilliant Earth · As of November 4, 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 November 4, 2026, with prices from $532 to $4,269, a $3,737 spread on the same certified stone. Brilliant Earth lists it at $4,269. 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 4
Current: $4,269 NZD|Low: $532 NZD|High: $4,803 NZD|Avg: $1,717 NZD|-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 5, 2026
Retailer 3$532 NZD
Retailer 7$841 NZD
Retailer 10$845 NZD
Retailer 16$872 NZD
Retailer 14$1,016 NZD
Retailer 6$1,034 NZD
Retailer 13$1,062 NZD
Retailer 2$1,074 NZD
Retailer 17$1,402 NZD
Retailer 11$1,444 NZD
Retailer 15$1,715 NZD
Retailer 4$2,195 NZD
Retailer 8$2,277 NZD
Retailer 9$2,439 NZD
Retailer 12$2,469 NZD
Retailer 5$4,003 NZD
Brilliant Earth$4,269 NZD

44 data points across 17 retailers

23 retailers$532 NZD to $4,269 NZD

Retailer 1
-
$450 NZD
Price last confirmed 28 days ago
Retailer 2
-
$487 NZD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$532 NZD
View
Final sale: no returns
Retailer 4
-
$559 NZD
View
Price last confirmed 33 days ago
Retailer 5
-
$566 NZD
View
Price last confirmed 39 days ago
Retailer 6
-
$596 NZD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$841 NZD
View
A
Retailer 8
-
$845 NZD
View
A
Retailer 9
-
$872 NZD
View
A
Retailer 10
-
$1,016 NZD
View
A
Retailer 11
-
$1,034 NZD
View
A
Retailer 12
-
$1,062 NZD
View
A
Retailer 13
-
$1,074 NZD
View
A
Retailer 14
-
$1,402 NZD
View
A
Retailer 15
-
$1,444 NZD
View
B+
Retailer 16
-
$1,715 NZD
View
Retailer 17
-
$2,144 NZD
View
Price last confirmed 36 days ago
B+
Retailer 18
-
$2,195 NZD
View
B+
Retailer 19
-
$2,277 NZD
View
B+
Retailer 20
-
$2,439 NZD
View
B+
Retailer 21
-
$2,469 NZD
View
B
Retailer 22
-
$4,003 NZD
View
Most Expensive
B
Brilliant Earth
6409602Y · Nov 4
$4,269 NZD
$2,400 USD
View
22 more retailers have this diamond
Prices start from $532 NZDSave up to $3,737 NZD

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
$532 NZD