CaratHunter
Plans
Heart|Lab Grown|IGI

1.00ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG817695867

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695867

Diamond specifications and retailer prices

From $271 NZD
$152 USD
As of October 27, 2026
Save $1,305 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,576 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart 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 LG817695867 or 817695867. Listed at 15 retailers as of October 27, 2026, with prices from $271 to $1,576, a $1,305 spread on the same certified stone. MOH London lists it at $1,576. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695867
Dimensions7.16 × 6.09 × 3.86 mm
L/W Ratio1.18
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
7.16 mm6.09 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695867
Side View
Table 66.0%Crown 34.5°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 53.9%

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 27
Current: $1,576 NZD|Low: $214 NZD|High: $1,585 NZD|Avg: $817 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$333 NZD
Retailer 3$344 NZD
Retailer 10$463 NZD
Retailer 2$582 NZD
Retailer 8$612 NZD
Retailer 4$637 NZD
Retailer 6$880 NZD
Retailer 9$901 NZD
Retailer 7$1,424 NZD
MOH London$1,576 NZD

42 data points across 10 retailers

15 retailers$271 NZD to $1,576 NZD

A
Cheapest Retailer
-
$271 NZD
$152 USD
A
Retailer 2
-
$313 NZD
$176 USD
View
A
Retailer 3
-
$333 NZD
$187 USD
View
Final sale: no returns
A
Retailer 4
-
$335 NZD
$188 USD
View
A
Retailer 5
-
$344 NZD
$193 USD
View
B+
Retailer 6
-
$463 NZD
$260 USD
View
B+
Retailer 7
-
$582 NZD
£257 GBP
View
B+
Retailer 8
-
$612 NZD
$344 USD
View
B+
Retailer 9
-
$637 NZD
£282 GBP
View
B
Retailer 10
-
$880 NZD
$494 USD
View
B
Retailer 11
-
$901 NZD
$506 USD
View
B
Retailer 12
-
$1,077 NZD
$605 USD
View
B
Retailer 13
-
$1,424 NZD
$800 USD
View
Retailer 14
-
$1,478 NZD
$830 USD
View
Price last confirmed 42 days ago
Most Expensive
B
MOH London
LG817695867 · Oct 29
$1,576 NZD
£697 GBP
View
14 more retailers have this diamond
Prices start from $271 NZDSave up to $1,305 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
$271 NZD