Radiant|Lab Grown|IGI

1.55ct E VS2 Radiant Lab Grown Diamond

VG • E/VS2 • IGI LG677570742

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

Certificate IGI LG677570742

Diamond specifications and retailer prices

From $342 NZD
$192 USD
As of October 30, 2026
Save $2,418 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,760 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 E colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG677570742 or 677570742. Listed at 18 retailers as of October 30, 2026, with prices from $342 to $2,760, a $2,418 spread on the same certified stone. Brilliant Earth lists it at $2,760. 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

1.55
Carat
E
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677570742
Dimensions8.45 × 5.78 × 3.97 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.45 mm5.78 mm1.55 ctE / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677570742
Side View
Table 66.0%Crown 25°Girdle: ThinPavilion 38°Culet: NoneDepth 68.7%

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 30
Current: $2,760 NZD|Low: $328 NZD|High: $3,009 NZD|Avg: $1,036 NZD|-8.3%
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
October 30, 2026
Retailer 15$342 NZD
Retailer 14$381 NZD
Retailer 6$397 NZD
Retailer 3$424 NZD
Retailer 12$424 NZD
Retailer 10$498 NZD
Retailer 5$739 NZD
Retailer 9$768 NZD
Retailer 2$771 NZD
Retailer 7$885 NZD
Retailer 11$1,132 NZD
Retailer 4$1,362 NZD
Retailer 13$1,761 NZD
Retailer 8$1,990 NZD
Brilliant Earth$2,760 NZD

44 data points across 15 retailers

18 retailers$342 NZD to $2,760 NZD

A
Cheapest Retailer
-
$342 NZD
$192 USD
A
Retailer 2
-
$381 NZD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$397 NZD
$223 USD
View
A
Retailer 4
-
$424 NZD
$238 USD
View
A
Retailer 5
-
$424 NZD
$238 USD
View
Retailer 6
-
$498 NZD
£220 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$739 NZD
$415 USD
View
A
Retailer 8
-
$768 NZD
€411 EUR
View
A
Retailer 9
-
$771 NZD
£341 GBP
View
B+
Retailer 10
-
$885 NZD
$497 USD
View
B+
Retailer 11
-
$901 NZD
$506 USD
View
B+
Retailer 12
-
$1,132 NZD
$636 USD
View
B+
Retailer 13
-
$1,321 NZD
£584 GBP
View
B+
Retailer 14
-
$1,362 NZD
$765 USD
View
B
Retailer 15
-
$1,457 NZD
$818 USD
View
B
Retailer 16
-
$1,761 NZD
$989 USD
View
B
Retailer 17
-
$1,990 NZD
£880 GBP
View
Most Expensive
B
Brilliant Earth
15181657A · Oct 30
$2,760 NZD
$1,550 USD
View
17 more retailers have this diamond
Prices start from $342 NZDSave up to $2,418 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
$342 NZD