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Radiant|Lab Grown|IGI

1.55ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG620421277

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

Certificate IGI LG620421277

Diamond specifications and retailer prices

From $374 NZD
$211 USD
As of October 27, 2026
Save $1,487 NZD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,861 NZD at MOH London · As of November 1, 2026
View at MOH London

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 LG620421277 or 620421277. Listed at 16 retailers as of October 27, 2026, with prices from $374 to $1,861, a $1,487 spread on the same certified stone. MOH London lists it at $1,861. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421277
Dimensions8.29 × 5.80 × 3.81 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
8.29 mm5.80 mm1.55 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421277
Side View
Table 63.0%Crown 40.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 65.7%

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: $1,861 NZD|Low: $373 NZD|High: $1,949 NZD|Avg: $990 NZD|-3.4%
MOH London
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
November 1, 2026
Retailer 16$374 NZD
Retailer 10$419 NZD
Retailer 13$435 NZD
Retailer 6$481 NZD
Retailer 8$481 NZD
Retailer 12$625 NZD
Retailer 14$798 NZD
Retailer 2$872 NZD
Retailer 15$914 NZD
Retailer 11$919 NZD
Retailer 4$1,084 NZD
Retailer 9$1,201 NZD
Retailer 7$1,545 NZD
Retailer 3$1,587 NZD
Retailer 5$1,774 NZD
MOH London$1,861 NZD

27 data points across 16 retailers

16 retailers$374 NZD to $1,861 NZD

A
Cheapest Retailer
-
$374 NZD
$211 USD
A
Retailer 2
-
$419 NZD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$435 NZD
$245 USD
View
Retailer 4
-
$481 NZD
$271 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$481 NZD
$271 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$625 NZD
$352 USD
View
A
Retailer 7
-
$798 NZD
ZAR 7,263 ZAR
View
A
Retailer 8
-
$872 NZD
€468 EUR
View
A
Retailer 9
-
$914 NZD
$515 USD
View
A
Retailer 10
-
$919 NZD
$518 USD
View
A
Retailer 11
-
$1,084 NZD
A$940 AUD
View
A
Retailer 12
-
$1,201 NZD
$677 USD
View
Retailer 13
-
$1,545 NZD
$871 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$1,587 NZD
$894 USD
View
B+
Retailer 15
-
$1,774 NZD
$1,000 USD
View
Most Expensive
B+
MOH London
LG620421277 · Nov 1
$1,861 NZD
£826 GBP
View
15 more retailers have this diamond
Prices start from $374 NZDSave up to $1,487 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
$374 NZD