CaratHunter
Plans
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 $543 AUD
As of November 6, 2026
Save $2,084 AUD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,627 AUD 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 $543 to $2,627, a $2,084 spread on the same certified stone. MOH London lists it at $2,627. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,627 AUD|Low: $521 AUD|High: $3,027 AUD|Avg: $1,318 AUD|-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$543 AUD
Retailer 5$607 AUD
Retailer 15$630 AUD
Retailer 7$674 AUD
Retailer 12$674 AUD
Retailer 2$857 AUD
Retailer 16$895 AUD
Retailer 14$1,052 AUD
Retailer 4$1,076 AUD
Retailer 8$1,170 AUD
Retailer 9$1,205 AUD
Retailer 10$1,700 AUD
Retailer 11$1,907 AUD
Retailer 13$2,166 AUD
Retailer 6$2,541 AUD
MOH London$2,627 AUD

43 data points across 16 retailers

17 retailers$543 AUD to $2,627 AUD

A
Cheapest Retailer
-
$543 AUD
A
Retailer 2
-
$607 AUD
View
Final sale: no returns
A
Retailer 3
-
$630 AUD
View
A
Retailer 4
-
$674 AUD
View
Retailer 5
-
$674 AUD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$857 AUD
View
B+
Retailer 7
-
$895 AUD
View
B+
Retailer 8
-
$1,052 AUD
View
B+
Retailer 9
-
$1,076 AUD
View
B
Retailer 10
-
$1,170 AUD
View
B+
Retailer 11
-
$1,205 AUD
View
B
Retailer 12
-
$1,700 AUD
View
B
Retailer 13
-
$1,907 AUD
View
B
Retailer 14
-
$2,166 AUD
View
B
Retailer 15
-
$2,222 AUD
View
B
Retailer 16
-
$2,541 AUD
View
Most Expensive
B
MOH London
LG625433753 · Nov 5
$2,627 AUD
£1,421 GBP
View
16 more retailers have this diamond
Prices start from $543 AUDSave up to $2,084 AUD

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
$543 AUD