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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 $706 SGD
$552 USD
As of November 1, 2026
Save $2,574 SGD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,280 SGD 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 $706 to $3,280, a $2,574 spread on the same certified stone. MOH London lists it at $3,280. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,280 SGD|Low: $504 SGD|High: $3,301 SGD|Avg: $1,284 SGD|-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$630 SGD
Retailer 3$706 SGD
Retailer 12$706 SGD
Retailer 4$780 SGD
Retailer 9$781 SGD
Retailer 7$959 SGD
Retailer 5$1,138 SGD
Retailer 11$1,216 SGD
Retailer 2$1,299 SGD
Retailer 10$2,056 SGD
Retailer 6$2,100 SGD
MOH London$3,280 SGD

44 data points across 12 retailers

13 retailers$706 SGD to $3,280 SGD

Retailer 1
-
$630 SGD
$493 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$706 SGD
$552 USD
View
Final sale: no returns
Retailer 3
-
$706 SGD
$552 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$780 SGD
$610 USD
View
Retailer 5
-
$781 SGD
$611 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$959 SGD
$750 USD
View
B
Retailer 7
-
$1,138 SGD
€848 EUR
View
B
Retailer 8
-
$1,216 SGD
$951 USD
View
B
Retailer 9
-
$1,299 SGD
£800 GBP
View
B
Retailer 10
-
$1,816 SGD
£1,119 GBP
View
Retailer 11
-
$2,056 SGD
$1,608 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$2,100 SGD
$1,643 USD
View
Most Expensive
B
MOH London
LG566331217 · Oct 29
$3,280 SGD
£2,020 GBP
View
12 more retailers have this diamond
Prices start from $706 SGDSave up to $2,574 SGD

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
$706 SGD