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Round|Lab Grown|IGI

1.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG754527002

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754527002

Diamond specifications and retailer prices

From $252 NZD
$142 USD
As of October 29, 2026
Save $1,540 NZD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,792 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct 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 LG754527002 or 754527002. Listed at 22 retailers as of October 29, 2026, with prices from $252 to $1,792, a $1,540 spread on the same certified stone. Reve Diamonds lists it at $1,792. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754527002
Dimensions6.45 × 6.40 × 3.97 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
6.45 mm6.40 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754527002
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.9%

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: Oct 29
Current: $851 NZD|Low: $199 NZD|High: $1,792 NZD|Avg: $740 NZD
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
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 6$252 NZD
Retailer 12$280 NZD
Retailer 13$293 NZD
Retailer 3$314 NZD
Retailer 16$314 NZD
Retailer 14$477 NZD
Retailer 9$537 NZD
Retailer 2$582 NZD
Retailer 10$617 NZD
Retailer 15$747 NZD
Retailer 4$837 NZD
Retailer 1$851 NZD
Retailer 7$1,008 NZD
Retailer 5$1,106 NZD
Retailer 8$1,348 NZD
Retailer 11$1,467 NZD
Reve Diamonds$1,792 NZD

43 data points across 17 retailers

22 retailers$252 NZD to $1,792 NZD

Retailer 1
-
$250 NZD
$141 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$252 NZD
$142 USD
View
A
Retailer 3
-
$280 NZD
$158 USD
View
Final sale: no returns
A
Retailer 4
-
$293 NZD
$165 USD
View
Retailer 5
-
$307 NZD
$173 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$314 NZD
$177 USD
View
A
Retailer 7
-
$314 NZD
$177 USD
View
A
Retailer 8
-
$477 NZD
$269 USD
View
A
Retailer 9
-
$537 NZD
£238 GBP
View
B+
Retailer 10
-
$582 NZD
$328 USD
View
B+
Retailer 11
-
$617 NZD
€331 EUR
View
Retailer 12
-
$718 NZD
$405 USD
View
Price last confirmed 88 days ago
B+
Retailer 13
-
$747 NZD
$421 USD
View
B+
Retailer 14
-
$837 NZD
$472 USD
View
B+
Retailer 15
-
$851 NZD
A$738 AUD
View
Retailer 16
-
$999 NZD
$563 USD
View
Price last confirmed 40 days ago
B
Retailer 17
-
$1,008 NZD
$568 USD
View
B
Retailer 18
-
$1,106 NZD
$623 USD
View
B
Retailer 19
-
$1,110 NZD
£493 GBP
View
B
Retailer 20
-
$1,348 NZD
$760 USD
View
B
Retailer 21
-
$1,467 NZD
£651 GBP
View
Most Expensive
B
Reve Diamonds
9A522582D · Oct 30
$1,792 NZD
$1,010 USD
View
21 more retailers have this diamond
Prices start from $252 NZDSave up to $1,540 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
1.00ct Round
$252 NZD