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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG788628033

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788628033

Diamond specifications and retailer prices

From $356 NZD
As of November 1, 2026
Save $1,494 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,065 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788628033 or 788628033. Listed at 12 retailers as of November 1, 2026, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788628033
Dimensions7.46 × 7.41 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.46 mm7.41 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788628033
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.7%

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: Nov 1
Current: $2,065 NZD|Low: $342 NZD|High: $2,124 NZD|Avg: $921 NZD|-2.8%
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
November 2, 2026
Retailer 10$356 NZD
Retailer 12$398 NZD
Retailer 4$441 NZD
Retailer 5$443 NZD
Retailer 6$740 NZD
Retailer 13$767 NZD
Retailer 3$797 NZD
Retailer 7$806 NZD
Retailer 11$898 NZD
Retailer 2$1,188 NZD
Retailer 9$1,352 NZD
Retailer 8$1,850 NZD
MOH London$2,065 NZD

35 data points across 13 retailers

12 retailers$356 NZD to $1,850 NZD

A
Cheapest Retailer
-
$356 NZD
Retailer 2
-
$441 NZD
View
Price last confirmed 12 days ago
Retailer 3
-
$443 NZD
View
Price last confirmed 52 days ago
A
Retailer 4
-
$740 NZD
View
B+
Retailer 5
-
$767 NZD
View
A
Retailer 6
-
$797 NZD
View
A
Retailer 7
-
$806 NZD
View
A
Retailer 8
-
$898 NZD
View
B+
Retailer 9
-
$1,188 NZD
View
B
Retailer 10
-
$1,352 NZD
View
B
Retailer 11
-
$1,850 NZD
View
Most Expensive
MOH London
LG788628033 · Oct 26
$2,065 NZD
£914 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $356 NZDSave up to $1,494 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 Round
$356 NZD