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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 $234 USD
As of November 6, 2026
Save $926 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,160 USD 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 $234 to $1,160, a $926 spread on the same certified stone. Brilliant Earth lists it at $1,160. 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
Color
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: $1,160 USD|Low: $225 USD|High: $1,960 USD|Avg: $659 USD|-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$234 USD
Retailer 4$262 USD
Retailer 13$272 USD
Retailer 10$290 USD
Retailer 14$290 USD
Retailer 2$380 USD
Retailer 12$491 USD
Retailer 3$629 USD
Retailer 5$639 USD
Retailer 8$776 USD
Retailer 11$933 USD
Retailer 6$985 USD
Retailer 7$1,159 USD
Brilliant Earth$1,160 USD

42 data points across 14 retailers

14 retailers$234 USD to $1,160 USD

A
Cheapest Retailer
-
$234 USD
A
Retailer 2
-
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$272 USD
View
A
Retailer 4
-
$290 USD
View
Retailer 5
-
$290 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$380 USD
View
B+
Retailer 7
-
$491 USD
View
A
Retailer 8
-
$629 USD
View
A
Retailer 9
-
$639 USD
View
B+
Retailer 10
-
$776 USD
View
B+
Retailer 11
-
$933 USD
View
B+
Retailer 12
-
$985 USD
View
B+
Retailer 13
-
$1,159 USD
View
Most Expensive
B+
Brilliant Earth
18015576A · Nov 3
$1,160 USD
View
13 more retailers have this diamond
Prices start from $234 USDSave up to $926 USD

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
$234 USD