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Heart|Lab Grown|IGI

1.83ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG625433753

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG625433753

Diamond specifications and retailer prices

From $373 USD
As of November 6, 2026
Save $1,432 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,805 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.83ct lab-grown heart diamond

This 1.83ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625433753 or 625433753. Listed at 17 retailers as of November 5, 2026, with prices from $373 to $1,805, a $1,432 spread on the same certified stone. MOH London lists it at $1,805. 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

1.83
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625433753
Dimensions8.68 × 7.50 × 4.88 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.68 mm7.50 mm1.83 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625433753
Side View
Table 61.0%Crown 38.7°Girdle: THN-STKPavilion 37.9°Culet: NoneDepth 56.2%

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: $1,805 USD|Low: $358 USD|High: $2,080 USD|Avg: $906 USD|-1.3%
MOH London
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 3$373 USD
Retailer 5$417 USD
Retailer 15$433 USD
Retailer 7$463 USD
Retailer 12$463 USD
Retailer 2$589 USD
Retailer 16$615 USD
Retailer 14$723 USD
Retailer 4$739 USD
Retailer 8$804 USD
Retailer 9$828 USD
Retailer 10$1,168 USD
Retailer 11$1,310 USD
Retailer 13$1,488 USD
Retailer 6$1,746 USD
MOH London$1,805 USD

43 data points across 16 retailers

17 retailers$373 USD to $1,805 USD

A
Cheapest Retailer
-
$373 USD
A
Retailer 2
-
$417 USD
View
Final sale: no returns
A
Retailer 3
-
$433 USD
View
A
Retailer 4
-
$463 USD
View
Retailer 5
-
$463 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$589 USD
View
B+
Retailer 7
-
$615 USD
View
B+
Retailer 8
-
$723 USD
View
B+
Retailer 9
-
$739 USD
View
B
Retailer 10
-
$804 USD
View
B+
Retailer 11
-
$828 USD
View
B
Retailer 12
-
$1,168 USD
View
B
Retailer 13
-
$1,310 USD
View
B
Retailer 14
-
$1,488 USD
View
B
Retailer 15
-
$1,527 USD
View
B
Retailer 16
-
$1,746 USD
View
Most Expensive
B
MOH London
LG625433753 · Nov 5
$1,805 USD
£1,421 GBP
View
16 more retailers have this diamond
Prices start from $373 USDSave up to $1,432 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
1.83ct Heart
$373 USD