Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $303 SGD
$237 USD
As of October 29, 2026
Save $905 SGD (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,208 SGD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by IGI. Listed at 7 retailers as of October 29, 2026, with prices from $303 to $1,208, a $905 spread on the same certified stone. NZ Jewellers lists it at $1,208. 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
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.07 × 6.53 × 4.10 mm
L/W Ratio1.39
Top View
9.07 mm6.53 mm1.54 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.5%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.8%

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: Oct 29
Current: $1,208 SGD|Low: $291 SGD|High: $1,208 SGD|Avg: $518 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 20, 2026
Retailer 3$303 SGD
Retailer 2$352 SGD
Retailer 5$376 SGD
Retailer 4$420 SGD
NZ Jewellers$1,208 SGD

25 data points across 5 retailers

7 retailers$303 SGD to $1,208 SGD

Retailer 1
-
$291 SGD
$228 USD
Price last confirmed 27 days ago
B+
Retailer 2
-
$303 SGD
$237 USD
View
Retailer 3
-
$303 SGD
$237 USD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
$352 SGD
$275 USD
View
Retailer 5
-
$420 SGD
£259 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
$1,208 SGD
$945 USD
View
Price last confirmed 24 days ago
Most Expensive
C
NZ Jewellers
6c6fb7b9-3697-43dc-a14d-92bb04605b57 · Oct 31
$1,208 SGD
$945 USD
View
6 more retailers have this diamond
Prices start from $303 SGDSave up to $905 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 Oval
$303 SGD