Oval|Lab Grown|IGI

1.60ct D SI1 Oval Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $525 NZD
$296 USD
As of October 26, 2026
Save $593 NZD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,094 NZD 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 26, 2026, with a 113% 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: $2,094 NZD|Low: $363 NZD|High: $2,094 NZD|Avg: $835 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 8$363 NZD
Retailer 3$525 NZD
Retailer 6$609 NZD
Retailer 4$651 NZD
Retailer 5$651 NZD
Retailer 2$727 NZD
Retailer 7$1,118 NZD
NZ Jewellers$2,094 NZD

30 data points across 8 retailers

20 retailers$525 NZD to $1,118 NZD

Retailer 1
-
$504 NZD
$284 USD
Price last confirmed 27 days ago
Retailer 2
-
$525 NZD
$296 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$525 NZD
$296 USD
View
Retailer 4
-
$525 NZD
$296 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$525 NZD
$296 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$609 NZD
$343 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$609 NZD
$343 USD
View
Price last confirmed 18 days ago
Retailer 8
-
$642 NZD
$362 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$651 NZD
$367 USD
View
Price last confirmed 12 days ago
A
Retailer 10
-
$651 NZD
$367 USD
View
A
Retailer 11
-
$651 NZD
$367 USD
View
Retailer 12
-
$651 NZD
$367 USD
View
Price last confirmed 29 days ago
Retailer 13
-
$651 NZD
$367 USD
View
Price last confirmed 19 days ago
A
Retailer 14
-
$727 NZD
£323 GBP
View
B+
Retailer 15
-
$1,118 NZD
$630 USD
View
B
Retailer 16
-
$2,094 NZD
$1,180 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$2,094 NZD
$1,180 USD
View
Price last confirmed 31 days ago
Retailer 18
-
$2,094 NZD
$1,180 USD
View
Price last confirmed 27 days ago
Retailer 19
-
$2,094 NZD
$1,180 USD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
5a88c21f-ff89-45e7-8b2c-ad5f7762885e · Oct 12
$2,094 NZD
$1,180 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from $525 NZDSave up to $593 NZD

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
$525 NZD