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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG689522824

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

Certificate IGI LG689522824

Diamond specifications and retailer prices

From $385 NZD
$217 USD
As of October 30, 2026
Save $2,436 NZD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,821 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG689522824 or 689522824. Listed at 25 retailers as of October 30, 2026, with prices from $385 to $2,821, a $2,436 spread on the same certified stone. Brilliant Earth lists it at $2,821. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.56
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689522824
Dimensions6.72 × 6.06 × 4.32 mm
L/W Ratio1.11
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
6.72 mm6.06 mm1.56 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689522824
Side View
Table 71.0%Crown 52.4°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 71.3%

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: $2,821 NZD|Low: $369 NZD|High: $3,211 NZD|Avg: $1,127 NZD|-12.2%
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 1, 2026
Retailer 3$385 NZD
Retailer 12$429 NZD
Retailer 8$445 NZD
Retailer 5$476 NZD
Retailer 9$476 NZD
Retailer 13$674 NZD
Retailer 11$771 NZD
Retailer 16$818 NZD
Retailer 2$884 NZD
Retailer 10$932 NZD
Retailer 17$1,113 NZD
Retailer 7$1,531 NZD
Retailer 18$1,537 NZD
Retailer 6$1,622 NZD
Retailer 14$1,738 NZD
Retailer 4$1,916 NZD
Retailer 15$1,920 NZD
Brilliant Earth$2,821 NZD

45 data points across 18 retailers

25 retailers$385 NZD to $2,821 NZD

A
Cheapest Retailer
-
$385 NZD
$217 USD
A
Retailer 2
-
$429 NZD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$445 NZD
$251 USD
View
Retailer 4
-
$476 NZD
$268 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$476 NZD
$268 USD
View
A
Retailer 6
-
$545 NZD
HK$2,400 HKD
View
B+
Retailer 7
-
$674 NZD
$380 USD
View
A
Retailer 8
-
$771 NZD
€414 EUR
View
A
Retailer 9
-
$818 NZD
ZAR 7,451 ZAR
View
A
Retailer 10
-
$884 NZD
£392 GBP
View
B+
Retailer 11
-
$932 NZD
$525 USD
View
B+
Retailer 12
-
$967 NZD
$545 USD
View
B+
Retailer 13
-
$1,113 NZD
A$965 AUD
View
B+
Retailer 14
-
$1,531 NZD
$863 USD
View
B+
Retailer 15
-
$1,537 NZD
$866 USD
View
B+
Retailer 16
-
$1,548 NZD
SGD 1,179 SGD
View
B
Retailer 17
-
$1,622 NZD
$914 USD
View
B
Retailer 18
-
$1,625 NZD
$916 USD
View
B+
Retailer 19
-
$1,738 NZD
A$1,507 AUD
View
B
Retailer 20
-
$1,866 NZD
£828 GBP
View
Retailer 21
-
$1,916 NZD
$1,080 USD
View
Price last confirmed 27 days ago
B
Retailer 22
-
$1,920 NZD
£852 GBP
View
B
Retailer 23
-
$1,939 NZD
$1,093 USD
View
B
Retailer 24
-
$2,211 NZD
$1,246 USD
View
Most Expensive
B
Brilliant Earth
17805270A · Oct 31
$2,821 NZD
$1,590 USD
View
24 more retailers have this diamond
Prices start from $385 NZDSave up to $2,436 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
$385 NZD