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Radiant|Lab Grown|IGI

1.49ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG537223370

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

Certificate IGI LG537223370

Diamond specifications and retailer prices

From $343 NZD
$193 USD
As of October 30, 2026
Save $1,641 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,984 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.49ct lab-grown radiant diamond

This 1.49ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537223370 or 537223370. Listed at 17 retailers as of October 30, 2026, with prices from $343 to $1,984, a $1,641 spread on the same certified stone. MOH London lists it at $1,984. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.49
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537223370
Dimensions8.05 × 5.77 × 3.86 mm
L/W Ratio1.40
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
8.05 mm5.77 mm1.49 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537223370
Side View
Table 70.0%Crown 39.3°Girdle: Slightly ThickPavilion 36.6°Culet: NoneDepth 66.9%

Caratlytics Score

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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: $1,984 NZD|Low: $339 NZD|High: $3,075 NZD|Avg: $1,082 NZD|-4.4%
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 4$343 NZD
Retailer 5$384 NZD
Retailer 16$396 NZD
Retailer 12$425 NZD
Retailer 2$508 NZD
Retailer 15$572 NZD
Retailer 9$773 NZD
Retailer 7$802 NZD
Retailer 13$882 NZD
Retailer 3$1,129 NZD
Retailer 14$1,365 NZD
Retailer 10$1,369 NZD
Retailer 6$1,460 NZD
Retailer 8$1,697 NZD
Retailer 11$1,937 NZD
MOH London$1,984 NZD

36 data points across 16 retailers

17 retailers$343 NZD to $1,984 NZD

A
Cheapest Retailer
-
$343 NZD
$193 USD
A
Retailer 2
-
$384 NZD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$396 NZD
$223 USD
View
A
Retailer 4
-
$425 NZD
$239 USD
View
Retailer 5
-
$439 NZD
$247 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$508 NZD
£225 GBP
View
B+
Retailer 7
-
$572 NZD
$322 USD
View
A
Retailer 8
-
$773 NZD
£343 GBP
View
A
Retailer 9
-
$802 NZD
€430 EUR
View
B+
Retailer 10
-
$882 NZD
$496 USD
View
B+
Retailer 11
-
$1,129 NZD
$635 USD
View
B
Retailer 12
-
$1,365 NZD
$768 USD
View
B+
Retailer 13
-
$1,369 NZD
$770 USD
View
B
Retailer 14
-
$1,460 NZD
$821 USD
View
Retailer 15
-
$1,697 NZD
$955 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$1,937 NZD
$1,090 USD
View
Most Expensive
B
MOH London
LG537223370 · Nov 1
$1,984 NZD
£879 GBP
View
16 more retailers have this diamond
Prices start from $343 NZDSave up to $1,641 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
1.49ct Radiant
$343 NZD