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Round|Lab Grown|IGI

1.02ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG474116580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474116580

Diamond specifications and retailer prices

From $1,172 NZD
As of November 5, 2026
Save $1,044 NZD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,825 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116580 or 474116580. Listed at 11 retailers as of November 4, 2026, with a 89% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116580
Dimensions6.39 × 6.33 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.39 mm6.33 mm1.02 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116580
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,825 NZD|Low: $856 NZD|High: $5,799 NZD|Avg: $2,189 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$856 NZD
Retailer 6$1,172 NZD
Retailer 11$1,275 NZD
Retailer 10$1,313 NZD
Retailer 8$1,361 NZD
Retailer 7$1,388 NZD
Retailer 2$2,145 NZD
Retailer 9$2,217 NZD
Retailer 5$3,474 NZD
NZ Jewellers$3,825 NZD
Retailer 4$5,730 NZD

42 data points across 11 retailers

11 retailers$1,172 NZD to $2,217 NZD

B
Cheapest Retailer
-
$1,172 NZD
B
Retailer 2
-
$1,275 NZD
View
B
Retailer 3
-
$1,313 NZD
View
Final sale: no returns
B
Retailer 4
-
$1,361 NZD
View
Retailer 5
-
$1,361 NZD
View
Price last confirmed 21 days ago
B
Retailer 6
-
$1,388 NZD
View
B
Retailer 7
-
$2,145 NZD
View
B
Retailer 8
-
$2,217 NZD
View
Retailer 9
-
$3,474 NZD
View
Price under review
Most Expensive
NZ Jewellers
b95d3139-3132-4847-ac77-fd7d69e18659 · Nov 5
$3,825 NZD
$2,150 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,172 NZDSave up to $1,044 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.

B
1.02ct Round
$1,172 NZD