CaratHunter
Plans
Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG523298092

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

Certificate IGI LG523298092

Diamond specifications and retailer prices

From $513 NZD
$289 USD
As of November 1, 2026
Save $1,578 NZD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,091 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG523298092 or 523298092. Listed at 15 retailers as of November 1, 2026, with prices from $513 to $2,091, a $1,578 spread on the same certified stone. MOH London lists it at $2,091. 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

1.54
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523298092
Dimensions7.72 × 5.62 × 3.88 mm
L/W Ratio1.37
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
7.72 mm5.62 mm1.54 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523298092
Side View
Table 64.0%Crown 41.5°Girdle: MED-STKPavilion 30.3°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
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: Nov 1
Current: $2,091 NZD|Low: $421 NZD|High: $2,303 NZD|Avg: $1,077 NZD|-9.1%
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
November 2, 2026
Retailer 9$421 NZD
Retailer 7$488 NZD
Retailer 6$513 NZD
Retailer 14$522 NZD
Retailer 5$568 NZD
Retailer 13$882 NZD
Retailer 8$926 NZD
Retailer 4$940 NZD
Retailer 2$979 NZD
Retailer 11$1,104 NZD
Retailer 10$1,678 NZD
Retailer 12$1,684 NZD
Retailer 3$1,771 NZD
MOH London$2,091 NZD

43 data points across 14 retailers

15 retailers$513 NZD to $2,091 NZD

Retailer 1
-
$421 NZD
$237 USD
Price last confirmed 13 days ago
Retailer 2
-
$488 NZD
$275 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$513 NZD
$289 USD
View
Final sale: no returns
Retailer 4
-
$522 NZD
$294 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$522 NZD
$294 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$561 NZD
$316 USD
View
Price last confirmed 37 days ago
B+
Retailer 7
-
$882 NZD
$497 USD
View
B+
Retailer 8
-
$926 NZD
$522 USD
View
B+
Retailer 9
-
$979 NZD
£435 GBP
View
B+
Retailer 10
-
$1,104 NZD
$622 USD
View
Retailer 11
-
$1,678 NZD
$946 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$1,684 NZD
$949 USD
View
B
Retailer 13
-
$1,689 NZD
£750 GBP
View
B
Retailer 14
-
$1,771 NZD
$998 USD
View
Most Expensive
B
MOH London
LG523298092 · Nov 1
$2,091 NZD
£928 GBP
View
14 more retailers have this diamond
Prices start from $513 NZDSave up to $1,578 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
1.54ct Radiant
$513 NZD