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1.02ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG674538085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG674538085

Diamond specifications and retailer prices

From $258 NZD
As of November 5, 2026
Save $1,551 NZD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,809 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG674538085 or 674538085. Listed at 22 retailers as of November 4, 2026, with prices from $258 to $1,809, a $1,551 spread on the same certified stone. Reve Diamonds lists it at $1,809. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674538085
Dimensions6.42 × 6.46 × 4.01 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
6.42 mm6.46 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674538085
Side View
Table 55.0%Crown 33.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $543 NZD|Low: $256 NZD|High: $1,809 NZD|Avg: $721 NZD|+6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 5$258 NZD
Retailer 3$286 NZD
Retailer 12$299 NZD
Retailer 2$318 NZD
Retailer 14$318 NZD
Retailer 1$543 NZD
Retailer 15$592 NZD
Retailer 10$628 NZD
Retailer 13$754 NZD
Retailer 11$852 NZD
Retailer 7$854 NZD
Retailer 6$1,026 NZD
Retailer 9$1,083 NZD
Retailer 4$1,124 NZD
Retailer 8$1,487 NZD
Reve Diamonds$1,809 NZD

44 data points across 16 retailers

22 retailers$258 NZD to $1,809 NZD

Retailer 1
-
$256 NZD
Price last confirmed 45 days ago
A
Retailer 2
-
$258 NZD
View
A
Retailer 3
-
$286 NZD
View
Final sale: no returns
A
Retailer 4
-
$299 NZD
View
Retailer 5
-
$313 NZD
View
Price last confirmed 45 days ago
Retailer 6
-
$318 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$318 NZD
View
A
Retailer 8
-
$493 NZD
View
A
Retailer 9
-
$543 NZD
View
B+
Retailer 10
-
$592 NZD
View
B+
Retailer 11
-
$628 NZD
View
Retailer 12
-
$720 NZD
View
Price last confirmed 58 days ago
B+
Retailer 13
-
$754 NZD
View
B+
Retailer 14
-
$852 NZD
View
B+
Retailer 15
-
$854 NZD
View
B+
Retailer 16
-
$857 NZD
View
Retailer 17
-
$1,018 NZD
View
Price last confirmed 46 days ago
B
Retailer 18
-
$1,026 NZD
View
B
Retailer 19
-
$1,083 NZD
View
B
Retailer 20
-
$1,124 NZD
View
B
Retailer 21
-
$1,487 NZD
View
Most Expensive
B
Reve Diamonds
DDB9103C1 · Nov 4
$1,809 NZD
$1,017 USD
View
21 more retailers have this diamond
Prices start from $258 NZDSave up to $1,551 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 Round
$258 NZD