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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 $673 NZD
As of November 6, 2026
Save $2,583 NZD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,255 NZD 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 $673 to $3,255, a $2,583 spread on the same certified stone. MOH London lists it at $3,255. 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
Colour
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: $3,255 NZD|Low: $646 NZD|High: $3,752 NZD|Avg: $1,634 NZD|-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$673 NZD
Retailer 5$752 NZD
Retailer 15$781 NZD
Retailer 7$835 NZD
Retailer 12$835 NZD
Retailer 2$1,062 NZD
Retailer 16$1,109 NZD
Retailer 14$1,304 NZD
Retailer 4$1,333 NZD
Retailer 8$1,450 NZD
Retailer 9$1,494 NZD
Retailer 10$2,107 NZD
Retailer 11$2,363 NZD
Retailer 13$2,684 NZD
Retailer 6$3,150 NZD
MOH London$3,255 NZD

43 data points across 16 retailers

17 retailers$673 NZD to $3,255 NZD

A
Cheapest Retailer
-
$673 NZD
A
Retailer 2
-
$752 NZD
View
Final sale: no returns
A
Retailer 3
-
$781 NZD
View
A
Retailer 4
-
$835 NZD
View
Retailer 5
-
$835 NZD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,062 NZD
View
B+
Retailer 7
-
$1,109 NZD
View
B+
Retailer 8
-
$1,304 NZD
View
B+
Retailer 9
-
$1,333 NZD
View
B
Retailer 10
-
$1,450 NZD
View
B+
Retailer 11
-
$1,494 NZD
View
B
Retailer 12
-
$2,107 NZD
View
B
Retailer 13
-
$2,363 NZD
View
B
Retailer 14
-
$2,684 NZD
View
B
Retailer 15
-
$2,755 NZD
View
B
Retailer 16
-
$3,150 NZD
View
Most Expensive
B
MOH London
LG625433753 · Nov 5
$3,255 NZD
£1,421 GBP
View
16 more retailers have this diamond
Prices start from $673 NZDSave up to $2,583 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
1.83ct Heart
$673 NZD