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Radiant|Lab Grown|IGI

1.60ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG615381566

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

Certificate IGI LG615381566

Diamond specifications and retailer prices

From $370 NZD
$208 USD
As of November 2, 2026
Save $3,096 NZD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,466 NZD at Brilliant Earth · As of November 2, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615381566 or 615381566. Listed at 21 retailers as of November 2, 2026, with prices from $370 to $3,466, a $3,096 spread on the same certified stone. Brilliant Earth lists it at $3,466. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615381566
Dimensions8.47 × 5.64 × 3.85 mm
L/W Ratio1.50
Top View
8.47 mm5.64 mm1.60 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615381566
Side View
Table 66.0%Crown 42.7°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 68.3%

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 2
Current: $3,466 NZD|Low: $370 NZD|High: $3,661 NZD|Avg: $1,111 NZD|-5.3%
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 2, 2026
Retailer 4$370 NZD
Retailer 6$414 NZD
Retailer 17$430 NZD
Retailer 3$459 NZD
Retailer 16$459 NZD
Retailer 11$537 NZD
Retailer 9$793 NZD
Retailer 13$793 NZD
Retailer 15$810 NZD
Retailer 12$847 NZD
Retailer 10$1,052 NZD
Retailer 2$1,071 NZD
Retailer 18$1,477 NZD
Retailer 5$1,482 NZD
Retailer 14$1,842 NZD
Retailer 7$1,871 NZD
Retailer 8$2,169 NZD
Brilliant Earth$3,466 NZD

34 data points across 18 retailers

21 retailers$370 NZD to $3,466 NZD

A
Cheapest Retailer
-
$370 NZD
$208 USD
A
Retailer 2
-
$414 NZD
$233 USD
View
Final sale: no returns
A
Retailer 3
-
$430 NZD
$242 USD
View
Retailer 4
-
$459 NZD
$258 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$459 NZD
$258 USD
View
A
Retailer 6
-
$537 NZD
£238 GBP
View
B+
Retailer 7
-
$793 NZD
$446 USD
View
A
Retailer 8
-
$793 NZD
ZAR 7,208 ZAR
View
A
Retailer 9
-
$810 NZD
€434 EUR
View
A
Retailer 10
-
$847 NZD
£375 GBP
View
A
Retailer 11
-
$994 NZD
$559 USD
View
A
Retailer 12
-
$1,052 NZD
$592 USD
View
A
Retailer 13
-
$1,071 NZD
A$927 AUD
View
B+
Retailer 14
-
$1,477 NZD
$831 USD
View
B+
Retailer 15
-
$1,482 NZD
$834 USD
View
B+
Retailer 16
-
$1,571 NZD
$884 USD
View
B+
Retailer 17
-
$1,643 NZD
£728 GBP
View
B+
Retailer 18
-
$1,842 NZD
£816 GBP
View
B+
Retailer 19
-
$1,871 NZD
$1,053 USD
View
Retailer 20
-
$2,169 NZD
$1,221 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
8918527A · Nov 2
$3,466 NZD
$1,950 USD
View
20 more retailers have this diamond
Prices start from $370 NZDSave up to $3,096 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
$370 NZD