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Radiant|Lab Grown|IGI

1.55ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG620412729

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

Certificate IGI LG620412729

Diamond specifications and retailer prices

From $364 NZD
$205 USD
As of November 2, 2026
Save $1,783 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,147 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620412729 or 620412729. Listed at 21 retailers as of November 1, 2026, with prices from $364 to $2,147, a $1,783 spread on the same certified stone. Reve Diamonds lists it at $2,147. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620412729
Dimensions8.19 × 5.71 × 3.74 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.19 mm5.71 mm1.55 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620412729
Side View
Table 64.0%Crown 42.5°Girdle: MediumPavilion 34.8°Culet: NoneDepth 65.5%

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: Nov 2
Current: $1,203 NZD|Low: $336 NZD|High: $2,310 NZD|Avg: $1,086 NZD|+17.5%
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
Reve Diamonds
November 2, 2026
Retailer 3$364 NZD
Retailer 14$421 NZD
Retailer 10$434 NZD
Retailer 7$451 NZD
Retailer 12$473 NZD
Retailer 17$746 NZD
Retailer 13$778 NZD
Retailer 4$780 NZD
Retailer 18$910 NZD
Retailer 2$1,041 NZD
Retailer 11$1,050 NZD
Retailer 1$1,203 NZD
Retailer 16$1,448 NZD
Retailer 9$1,520 NZD
Retailer 6$1,544 NZD
Retailer 5$1,761 NZD
Retailer 8$1,795 NZD
Retailer 15$2,108 NZD
Reve Diamonds$2,147 NZD

33 data points across 19 retailers

21 retailers$364 NZD to $2,147 NZD

A
Cheapest Retailer
-
$364 NZD
$205 USD
A
Retailer 2
-
$421 NZD
$237 USD
View
Retailer 3
-
$434 NZD
$244 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$451 NZD
$254 USD
View
A
Retailer 5
-
$473 NZD
$266 USD
View
Final sale: no returns
A
Retailer 6
-
$746 NZD
€400 EUR
View
A
Retailer 7
-
$778 NZD
ZAR 7,074 ZAR
View
B+
Retailer 8
-
$780 NZD
$439 USD
View
A
Retailer 9
-
$910 NZD
$512 USD
View
A
Retailer 10
-
$1,041 NZD
$586 USD
View
A
Retailer 11
-
$1,050 NZD
A$909 AUD
View
B+
Retailer 12
-
$1,203 NZD
$677 USD
View
B+
Retailer 13
-
$1,403 NZD
£621 GBP
View
B+
Retailer 14
-
$1,448 NZD
$815 USD
View
B+
Retailer 15
-
$1,454 NZD
$818 USD
View
B+
Retailer 16
-
$1,520 NZD
$855 USD
View
B+
Retailer 17
-
$1,544 NZD
$869 USD
View
B+
Retailer 18
-
$1,761 NZD
£780 GBP
View
B+
Retailer 19
-
$1,795 NZD
$1,010 USD
View
B
Retailer 20
-
$2,108 NZD
£934 GBP
View
Most Expensive
B
Reve Diamonds
5814D622A · Nov 1
$2,147 NZD
$1,208 USD
View
20 more retailers have this diamond
Prices start from $364 NZDSave up to $1,783 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
1.55ct Radiant
$364 NZD