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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG815692192

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

Certificate IGI LG815692192

Diamond specifications and retailer prices

From $383 NZD
$216 USD
As of October 30, 2026
Save $4,626 NZD (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,009 NZD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

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 LG815692192 or 815692192. Listed at 22 retailers as of October 30, 2026, with prices from $383 to $5,009, a $4,626 spread on the same certified stone. The Diamond Guys lists it at $5,009. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815692192
Dimensions8.10 × 5.74 × 3.91 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.10 mm5.74 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815692192
Side View
Table 66.0%Crown 42.8°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $883 NZD|Low: $383 NZD|High: $2,237 NZD|Avg: $1,006 NZD|+1.5%
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
November 1, 2026
Retailer 19$383 NZD
Retailer 8$429 NZD
Retailer 16$445 NZD
Retailer 3$476 NZD
Retailer 4$476 NZD
Retailer 18$533 NZD
Retailer 10$814 NZD
Retailer 14$818 NZD
Retailer 12$822 NZD
Retailer 1$883 NZD
Retailer 7$967 NZD
Retailer 5$1,065 NZD
Retailer 15$1,112 NZD
Retailer 2$1,531 NZD
Retailer 17$1,537 NZD
Retailer 9$1,625 NZD
Retailer 13$1,918 NZD
Retailer 6$1,938 NZD
Retailer 11$2,211 NZD

38 data points across 19 retailers

22 retailers$383 NZD to $5,009 NZD

A
Cheapest Retailer
-
$383 NZD
$216 USD
A
Retailer 2
-
$429 NZD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$445 NZD
$251 USD
View
A
Retailer 4
-
$476 NZD
$268 USD
View
A
Retailer 5
-
$476 NZD
$268 USD
View
Retailer 6
-
$533 NZD
£236 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$814 NZD
$459 USD
View
A
Retailer 8
-
$818 NZD
ZAR 7,448 ZAR
View
A
Retailer 9
-
$822 NZD
€441 EUR
View
A
Retailer 10
-
$883 NZD
£392 GBP
View
A
Retailer 11
-
$967 NZD
$545 USD
View
B+
Retailer 12
-
$1,065 NZD
$600 USD
View
A
Retailer 13
-
$1,112 NZD
A$964 AUD
View
B+
Retailer 14
-
$1,531 NZD
$863 USD
View
B+
Retailer 15
-
$1,537 NZD
$866 USD
View
B+
Retailer 16
-
$1,625 NZD
$916 USD
View
B+
Retailer 17
-
$1,918 NZD
£851 GBP
View
Retailer 18
-
$1,935 NZD
$1,091 USD
View
Price last confirmed 52 days ago
B
Retailer 19
-
$1,938 NZD
$1,092 USD
View
B
Retailer 20
-
$2,211 NZD
$1,246 USD
View
B
Retailer 21
-
$3,471 NZD
CA$2,717 CAD
View
Most Expensive
B
The Diamond Guys
1931955192 · Oct 31
$5,009 NZD
$2,823 USD
View
21 more retailers have this diamond
Prices start from $383 NZDSave up to $4,626 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
$383 NZD