Oval|Lab Grown|IGI

1.02ct D SI1 Oval Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $273 NZD
$154 USD
As of October 26, 2026
Save $818 NZD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,091 NZD at NZ Jewellers · As of October 18, 2026
View at NZ Jewellers

About this 1.02ct lab-grown oval diamond

This 1.02ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 18 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.45 × 5.68 × 3.46 mm
L/W Ratio1.49
Top View
8.45 mm5.68 mm1.02 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.9%

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: $1,091 NZD|Low: $204 NZD|High: $1,091 NZD|Avg: $475 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 8$204 NZD
Retailer 3$273 NZD
Retailer 6$318 NZD
Retailer 4$339 NZD
Retailer 5$339 NZD
Retailer 2$408 NZD
Retailer 7$772 NZD
NZ Jewellers$1,091 NZD

30 data points across 8 retailers

18 retailers$273 NZD to $1,091 NZD

Retailer 1
-
$263 NZD
$148 USD
Price last confirmed 27 days ago
Retailer 2
-
$273 NZD
$154 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$273 NZD
$154 USD
View
Retailer 4
-
$273 NZD
$154 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$273 NZD
$154 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$318 NZD
$179 USD
View
Retailer 7
-
$318 NZD
$179 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$335 NZD
$189 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$339 NZD
$191 USD
View
Price last confirmed 12 days ago
A
Retailer 10
-
$339 NZD
$191 USD
View
A
Retailer 11
-
$339 NZD
$191 USD
View
Retailer 12
-
$339 NZD
$191 USD
View
Price last confirmed 28 days ago
A
Retailer 13
-
$408 NZD
£181 GBP
View
B+
Retailer 14
-
$772 NZD
$435 USD
View
Retailer 15
-
$1,091 NZD
$615 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
$1,091 NZD
$615 USD
View
Retailer 17
-
$1,091 NZD
$615 USD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
eab5c234-db33-4e47-8f1b-b221dd74437b · Oct 18
$1,091 NZD
$615 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $273 NZDSave up to $818 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
1.02ct Oval
$273 NZD