Oval|Lab Grown|IGI

1.60ct D SI1 Oval Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $421 AUD
$296 USD
As of October 26, 2026
Save $1,258 AUD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,680 AUD at NZ Jewellers · As of October 12, 2026
View at NZ Jewellers

About this 1.6ct lab-grown oval diamond

This 1.6ct 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 top-tier cut grade and certified by IGI. Listed at 20 retailers as of October 24, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.60
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.13 × 6.66 × 4.17 mm
L/W Ratio1.37
Top View
9.13 mm6.66 mm1.60 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

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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: Oct 26
Current: $1,680 AUD|Low: $291 AUD|High: $1,680 AUD|Avg: $670 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 8$291 AUD
Retailer 3$421 AUD
Retailer 6$488 AUD
Retailer 4$522 AUD
Retailer 5$522 AUD
Retailer 2$584 AUD
Retailer 7$897 AUD
NZ Jewellers$1,680 AUD

30 data points across 8 retailers

20 retailers$421 AUD to $1,680 AUD

Retailer 1
-
$404 AUD
$284 USD
Price last confirmed 26 days ago
Retailer 2
-
$421 AUD
$296 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$421 AUD
$296 USD
View
Retailer 4
-
$421 AUD
$296 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$421 AUD
$296 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$488 AUD
$343 USD
View
Retailer 7
-
$488 AUD
$343 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$515 AUD
$362 USD
View
Price last confirmed 31 days ago
Retailer 9
-
$522 AUD
$367 USD
View
Price last confirmed 12 days ago
A
Retailer 10
-
$522 AUD
$367 USD
View
A
Retailer 11
-
$522 AUD
$367 USD
View
Retailer 12
-
$522 AUD
$367 USD
View
Price last confirmed 28 days ago
Retailer 13
-
$522 AUD
$367 USD
View
Price last confirmed 19 days ago
A
Retailer 14
-
$584 AUD
£323 GBP
View
B+
Retailer 15
-
$897 AUD
$630 USD
View
B
Retailer 16
-
$1,680 AUD
$1,180 USD
View
Retailer 17
-
$1,680 AUD
$1,180 USD
View
Price last confirmed 31 days ago
Retailer 18
-
$1,680 AUD
$1,180 USD
View
Price last confirmed 27 days ago
Retailer 19
-
$1,680 AUD
$1,180 USD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
5a88c21f-ff89-45e7-8b2c-ad5f7762885e · Oct 12
$1,680 AUD
$1,180 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from $421 AUDSave up to $1,258 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
1.60ct Oval
$421 AUD