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Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG630449047

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

Certificate IGI LG630449047

Diamond specifications and retailer prices

From $308 NZD
As of November 4, 2026
Save $1,694 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,002 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630449047 or 630449047. Listed at 16 retailers as of November 4, 2026, with prices from $308 to $2,002, a $1,694 spread on the same certified stone. Brilliant Earth lists it at $2,002. 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

1.53
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630449047
Dimensions8.15 × 5.69 × 3.82 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
8.15 mm5.69 mm1.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630449047
Side View
Table 66.0%Crown 35°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.1%

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 4
Current: $2,002 NZD|Low: $308 NZD|High: $2,327 NZD|Avg: $957 NZD|-14.0%
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
November 5, 2026
Retailer 9$308 NZD
Retailer 4$359 NZD
Retailer 5$379 NZD
Retailer 13$384 NZD
Retailer 15$492 NZD
Retailer 2$676 NZD
Retailer 3$684 NZD
Retailer 12$689 NZD
Retailer 7$819 NZD
Retailer 6$990 NZD
Retailer 11$1,232 NZD
Retailer 8$1,299 NZD
Retailer 14$1,302 NZD
Retailer 10$1,793 NZD
Brilliant Earth$2,002 NZD

39 data points across 15 retailers

16 retailers$308 NZD to $2,002 NZD

A
Cheapest Retailer
-
$308 NZD
Retailer 2
-
$359 NZD
View
Price last confirmed 41 days ago
Retailer 3
-
$379 NZD
View
Price last confirmed 41 days ago
Retailer 4
-
$384 NZD
View
Price last confirmed 26 days ago
Retailer 5
-
$384 NZD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$676 NZD
View
B+
Retailer 7
-
$684 NZD
View
A
Retailer 8
-
$689 NZD
View
A
Retailer 9
-
$819 NZD
View
B+
Retailer 10
-
$990 NZD
View
B+
Retailer 11
-
$1,232 NZD
View
B
Retailer 12
-
$1,299 NZD
View
B
Retailer 13
-
$1,302 NZD
View
B+
Retailer 14
-
$1,346 NZD
View
B
Retailer 15
-
$1,793 NZD
View
Most Expensive
B
Brilliant Earth
10975666A · Nov 4
$2,002 NZD
$1,110 USD
View
15 more retailers have this diamond
Prices start from $308 NZDSave up to $1,694 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
1.53ct Radiant
$308 NZD