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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG722556116

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

Certificate IGI LG722556116

Diamond specifications and retailer prices

From $1,123 NZD
$632 USD
As of October 27, 2026
Save $6,270 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,394 NZD at Brilliant Earth · As of October 30, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722556116 or 722556116. Listed at 17 retailers as of October 27, 2026, with prices from $1,123 to $7,394, a $6,270 spread on the same certified stone. Brilliant Earth lists it at $7,394. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722556116
Dimensions5.99 × 5.99 × 3.96 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.99 mm5.99 mm1.60 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722556116
Side View
Table 66.0%Crown 44.3°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 66.1%

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 27
Current: $7,394 NZD|Low: $1,077 NZD|High: $8,033 NZD|Avg: $2,895 NZD|-8.0%
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 16$1,123 NZD
Retailer 6$1,221 NZD
Retailer 8$1,257 NZD
Retailer 17$1,303 NZD
Retailer 12$1,617 NZD
Retailer 7$1,877 NZD
Retailer 11$2,073 NZD
Retailer 5$2,127 NZD
Retailer 14$2,206 NZD
Retailer 10$2,393 NZD
Retailer 15$3,025 NZD
Retailer 13$3,240 NZD
Retailer 4$3,661 NZD
Retailer 9$4,063 NZD
Retailer 3$4,443 NZD
Retailer 2$5,517 NZD
Brilliant Earth$7,394 NZD

40 data points across 17 retailers

17 retailers$1,123 NZD to $7,394 NZD

A
Cheapest Retailer
-
$1,123 NZD
$632 USD
A
Retailer 2
-
$1,221 NZD
$687 USD
View
Retailer 3
-
$1,303 NZD
$733 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$1,303 NZD
$733 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,617 NZD
$910 USD
View
A
Retailer 6
-
$1,877 NZD
$1,056 USD
View
A
Retailer 7
-
$2,073 NZD
£918 GBP
View
B+
Retailer 8
-
$2,127 NZD
$1,197 USD
View
Retailer 9
-
$2,206 NZD
€1,182 EUR
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$2,393 NZD
ZAR 21,751 ZAR
View
B+
Retailer 11
-
$3,025 NZD
$1,702 USD
View
Retailer 12
-
$3,240 NZD
A$2,805 AUD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$3,661 NZD
$2,060 USD
View
B
Retailer 14
-
$4,063 NZD
£1,800 GBP
View
B
Retailer 15
-
$4,443 NZD
$2,500 USD
View
B
Retailer 16
-
$5,517 NZD
£2,444 GBP
View
Most Expensive
B
Brilliant Earth
20725259A · Oct 30
$7,394 NZD
$4,160 USD
View
16 more retailers have this diamond
Prices start from $1,123 NZDSave up to $6,270 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
$1,123 NZD