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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG646481423

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

Certificate IGI LG646481423

Diamond specifications and retailer prices

From $435 NZD
$245 USD
As of October 30, 2026
Save $1,939 NZD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,375 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG646481423 or 646481423. Listed at 22 retailers as of October 30, 2026, with prices from $435 to $2,375, a $1,939 spread on the same certified stone. Reve Diamonds lists it at $2,375. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646481423
Dimensions8.11 × 5.74 × 3.89 mm
L/W Ratio1.41
Culet sizePointed
Top View
8.11 mm5.74 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646481423
Side View
Table 66.0%Crown 44.4°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.8%

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: $931 NZD|Low: $435 NZD|High: $2,406 NZD|Avg: $1,192 NZD|+12.5%
Retailer 1
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
Retailer 19
Retailer 20
Retailer 21
Reve Diamonds
November 1, 2026
Retailer 2$435 NZD
Retailer 11$485 NZD
Retailer 18$505 NZD
Retailer 4$539 NZD
Retailer 6$539 NZD
Retailer 21$603 NZD
Retailer 16$823 NZD
Retailer 14$835 NZD
Retailer 13$908 NZD
Retailer 1$931 NZD
Retailer 10$988 NZD
Retailer 15$1,015 NZD
Retailer 8$1,121 NZD
Retailer 17$1,257 NZD
Retailer 3$1,733 NZD
Retailer 19$1,740 NZD
Retailer 5$1,826 NZD
Retailer 20$1,911 NZD
Retailer 9$2,122 NZD
Retailer 7$2,135 NZD
Retailer 12$2,160 NZD
Reve Diamonds$2,375 NZD

32 data points across 22 retailers

22 retailers$435 NZD to $2,375 NZD

A
Cheapest Retailer
-
$435 NZD
$245 USD
A
Retailer 2
-
$485 NZD
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$505 NZD
$284 USD
View
Retailer 4
-
$539 NZD
$303 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$539 NZD
$303 USD
View
Retailer 6
-
$603 NZD
£267 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$823 NZD
€441 EUR
View
A
Retailer 8
-
$908 NZD
$511 USD
View
A
Retailer 9
-
$931 NZD
ZAR 8,463 ZAR
View
A
Retailer 10
-
$988 NZD
$556 USD
View
A
Retailer 11
-
$1,015 NZD
£450 GBP
View
A
Retailer 12
-
$1,121 NZD
$631 USD
View
B+
Retailer 13
-
$1,257 NZD
A$1,088 AUD
View
B
Retailer 14
-
$1,733 NZD
$975 USD
View
B
Retailer 15
-
$1,740 NZD
$979 USD
View
B
Retailer 16
-
$1,776 NZD
£787 GBP
View
B+
Retailer 17
-
$1,826 NZD
$1,027 USD
View
Retailer 18
-
$1,911 NZD
$1,075 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$2,122 NZD
$1,194 USD
View
B
Retailer 20
-
$2,135 NZD
$1,201 USD
View
B
Retailer 21
-
$2,160 NZD
£957 GBP
View
Most Expensive
B
Reve Diamonds
4810AECDF · Nov 1
$2,375 NZD
$1,336 USD
View
21 more retailers have this diamond
Prices start from $435 NZDSave up to $1,939 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
1.56ct Radiant
$435 NZD