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Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

VG • D/SI1

Diamond specifications and retailer prices

From $337 AUD
$237 USD
As of November 1, 2026
Save $1,008 AUD (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,345 AUD 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), with a very-good cut grade and certified by IGI. Listed at 7 retailers as of October 31, 2026, with prices from $337 to $1,345, a $1,008 spread on the same certified stone. NZ Jewellers lists it at $1,345. 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
OriginLab Grown
Grading LabIGI
Dimensions9.17 × 6.56 × 4.18 mm
L/W Ratio1.40
Top View
9.17 mm6.56 mm1.54 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.7%

Caratlytics Score

How it works →
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: $1,345 AUD|Low: $228 AUD|High: $1,511 AUD|Avg: $661 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 20, 2026
Retailer 6$228 AUD
Retailer 3$337 AUD
Retailer 2$391 AUD
Retailer 5$419 AUD
Retailer 4$468 AUD
NZ Jewellers$1,345 AUD
Retailer 7$1,511 AUD

25 data points across 7 retailers

7 retailers$337 AUD to $1,345 AUD

Retailer 1
-
$325 AUD
$228 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$337 AUD
$237 USD
View
Retailer 3
-
$337 AUD
$237 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
$391 AUD
$275 USD
View
Retailer 5
-
$468 AUD
£259 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
$1,345 AUD
$945 USD
View
Price last confirmed 25 days ago
Most Expensive
B
NZ Jewellers
c7f90407-4b22-401e-9bc9-a9aa1d1dee97 · Oct 31
$1,345 AUD
$945 USD
View
6 more retailers have this diamond
Prices start from $337 AUDSave up to $1,008 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.

A
1.54ct Oval
$337 AUD