CaratHunter
Plans
Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG566331217

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

Certificate IGI LG566331217

Diamond specifications and retailer prices

From $786 AUD
$552 USD
As of November 1, 2026
Save $2,866 AUD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,652 AUD at MOH London · As of October 29, 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 LG566331217 or 566331217. Listed at 13 retailers as of October 29, 2026, with prices from $786 to $3,652, a $2,866 spread on the same certified stone. MOH London lists it at $3,652. 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 angle41.2°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566331217
Dimensions7.42 × 5.68 × 3.88 mm
L/W Ratio1.31
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
7.42 mm5.68 mm1.54 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566331217
Side View
Table 68.0%Crown 41.2°Girdle: MediumPavilion 30°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,652 AUD|Low: $561 AUD|High: $3,676 AUD|Avg: $1,430 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$702 AUD
Retailer 3$786 AUD
Retailer 12$786 AUD
Retailer 4$868 AUD
Retailer 9$870 AUD
Retailer 7$1,068 AUD
Retailer 5$1,268 AUD
Retailer 11$1,354 AUD
Retailer 2$1,447 AUD
Retailer 10$2,289 AUD
Retailer 6$2,339 AUD
MOH London$3,652 AUD

44 data points across 12 retailers

13 retailers$786 AUD to $3,652 AUD

Retailer 1
-
$702 AUD
$493 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$786 AUD
$552 USD
View
Final sale: no returns
Retailer 3
-
$786 AUD
$552 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$868 AUD
$610 USD
View
Retailer 5
-
$870 AUD
$611 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$1,068 AUD
$750 USD
View
B
Retailer 7
-
$1,268 AUD
€848 EUR
View
B
Retailer 8
-
$1,354 AUD
$951 USD
View
B
Retailer 9
-
$1,447 AUD
£800 GBP
View
B
Retailer 10
-
$2,023 AUD
£1,119 GBP
View
Retailer 11
-
$2,289 AUD
$1,608 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$2,339 AUD
$1,643 USD
View
Most Expensive
B
MOH London
LG566331217 · Oct 29
$3,652 AUD
£2,020 GBP
View
12 more retailers have this diamond
Prices start from $786 AUDSave up to $2,866 AUD

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.

B+
1.54ct Radiant
$786 AUD