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Heart|Lab Grown|IGI

1.82ct H SI1 Heart Lab Grown Diamond

ID • H/SI1 • IGI LG780610475

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780610475

Diamond specifications and retailer prices

From $422 NZD
As of November 6, 2026
Save $1,670 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,093 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.82ct lab-grown heart diamond

This 1.82ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG780610475 or 780610475. Listed at 14 retailers as of November 3, 2026, with prices from $422 to $2,093, a $1,670 spread on the same certified stone. Brilliant Earth lists it at $2,093. 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

1.82
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780610475
Dimensions7.75 × 7.99 × 4.98 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm7.99 mm1.82 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780610475
Side View
Table 57.0%Crown 35.8°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 62.3%

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: Nov 6
Current: $2,093 NZD|Low: $406 NZD|High: $3,536 NZD|Avg: $1,190 NZD|-40.8%
Brilliant Earth
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
November 6, 2026
Retailer 9$422 NZD
Retailer 4$473 NZD
Retailer 13$491 NZD
Retailer 10$523 NZD
Retailer 14$523 NZD
Retailer 2$685 NZD
Retailer 12$886 NZD
Retailer 3$1,135 NZD
Retailer 5$1,153 NZD
Retailer 8$1,400 NZD
Retailer 11$1,683 NZD
Retailer 6$1,777 NZD
Retailer 7$2,091 NZD
Brilliant Earth$2,093 NZD

42 data points across 14 retailers

14 retailers$422 NZD to $2,093 NZD

A
Cheapest Retailer
-
$422 NZD
A
Retailer 2
-
$473 NZD
View
Final sale: no returns
A
Retailer 3
-
$491 NZD
View
A
Retailer 4
-
$523 NZD
View
Retailer 5
-
$523 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$685 NZD
View
B+
Retailer 7
-
$886 NZD
View
A
Retailer 8
-
$1,135 NZD
View
A
Retailer 9
-
$1,153 NZD
View
B+
Retailer 10
-
$1,400 NZD
View
B+
Retailer 11
-
$1,683 NZD
View
B+
Retailer 12
-
$1,777 NZD
View
B+
Retailer 13
-
$2,091 NZD
View
Most Expensive
B+
Brilliant Earth
18015576A · Nov 3
$2,093 NZD
$1,160 USD
View
13 more retailers have this diamond
Prices start from $422 NZDSave up to $1,670 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
1.82ct Heart
$422 NZD