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Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG841698184

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841698184

Diamond specifications and retailer prices

From $333 NZD
$187 USD
As of October 29, 2026
Save $1,519 NZD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,852 NZD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG841698184 or 841698184. Listed at 11 retailers as of October 25, 2026, with prices from $333 to $1,852, a $1,519 spread on the same certified stone. Reve Diamonds lists it at $1,852. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841698184
Dimensions5.76 × 6.83 × 4.16 mm
L/W Ratio1.19
Girdle conditionFaceted
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
5.76 mm6.83 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841698184
Side View
Table 54.0%Crown 34.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 60.9%

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: $333 NZD|Low: $326 NZD|High: $1,852 NZD|Avg: $872 NZD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 29, 2026
Retailer 1$333 NZD
Retailer 2$438 NZD
Retailer 7$515 NZD
Retailer 4$565 NZD
Retailer 9$613 NZD
Retailer 5$720 NZD
Retailer 6$1,138 NZD
Retailer 8$1,176 NZD
Retailer 3$1,579 NZD
Reve Diamonds$1,852 NZD

21 data points across 10 retailers

11 retailers$333 NZD to $1,852 NZD

A
Cheapest Retailer
-
$333 NZD
$187 USD
Final sale: no returns
A
Retailer 2
-
$438 NZD
£194 GBP
View
B+
Retailer 3
-
$515 NZD
$289 USD
View
B+
Retailer 4
-
$565 NZD
£250 GBP
View
B+
Retailer 5
-
$613 NZD
$344 USD
View
B
Retailer 6
-
$720 NZD
£318 GBP
View
Retailer 7
-
$1,015 NZD
$570 USD
View
B
Retailer 8
-
$1,138 NZD
$639 USD
View
B
Retailer 9
-
$1,176 NZD
$660 USD
View
B
Retailer 10
-
$1,579 NZD
£698 GBP
View
Most Expensive
B
Reve Diamonds
A2BC668FA · Oct 25
$1,852 NZD
$1,039 USD
View
10 more retailers have this diamond
Prices start from $333 NZDSave up to $1,519 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 Heart
$333 NZD