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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG662486072

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG662486072

Diamond specifications and retailer prices

From $284 NZD
$160 USD
As of October 30, 2026
Save $1,370 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,654 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG662486072 or 662486072. Listed at 14 retailers as of October 29, 2026, with prices from $284 to $1,654, a $1,370 spread on the same certified stone. MOH London lists it at $1,654. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662486072
Dimensions5.51 × 7.00 × 4.33 mm
L/W Ratio1.27
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
5.51 mm7.00 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG662486072
Side View
Table 57.0%Crown 35.8°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,654 NZD|Low: $273 NZD|High: $1,665 NZD|Avg: $725 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$284 NZD
Retailer 7$330 NZD
Retailer 9$351 NZD
Retailer 11$351 NZD
Retailer 5$422 NZD
Retailer 2$615 NZD
Retailer 3$637 NZD
Retailer 6$669 NZD
Retailer 4$781 NZD
Retailer 8$1,118 NZD
Retailer 12$1,132 NZD
MOH London$1,654 NZD

43 data points across 12 retailers

14 retailers$284 NZD to $1,654 NZD

A
Cheapest Retailer
-
$284 NZD
$160 USD
A
Retailer 2
-
$330 NZD
$186 USD
View
A
Retailer 3
-
$351 NZD
$198 USD
View
Retailer 4
-
$351 NZD
$198 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$422 NZD
£187 GBP
View
B+
Retailer 6
-
$568 NZD
$320 USD
View
B+
Retailer 7
-
$615 NZD
£273 GBP
View
B+
Retailer 8
-
$637 NZD
$359 USD
View
B+
Retailer 9
-
$669 NZD
£297 GBP
View
B+
Retailer 10
-
$781 NZD
$440 USD
View
B
Retailer 11
-
$960 NZD
£426 GBP
View
Retailer 12
-
$1,118 NZD
$630 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$1,132 NZD
$638 USD
View
Most Expensive
B
MOH London
LG662486072 · Oct 29
$1,654 NZD
£734 GBP
View
13 more retailers have this diamond
Prices start from $284 NZDSave up to $1,370 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
$284 NZD