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Round|Lab Grown|IGI

1.83ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG607342744

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607342744

Diamond specifications and retailer prices

From €365 EUR
$409 USD
As of October 30, 2026
Save €1,387 EUR (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,751 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.83ct lab-grown round diamond

This 1.83ct lab-grown round 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 LG607342744 or 607342744. Listed at 14 retailers as of October 30, 2026, with prices from €365 to €1,751, a €1,387 spread on the same certified stone. Taylor and Hart lists it at €1,751. 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 angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607342744
Dimensions7.86 × 7.91 × 4.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.86 mm7.91 mm1.83 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607342744
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: Oct 30
Current: €377 EUR|Low: €365 EUR|High: €1,751 EUR|Avg: €956 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 3, 2026
Retailer 9€365 EUR
Retailer 1€377 EUR
Retailer 10€613 EUR
Retailer 6€615 EUR
Retailer 7€646 EUR
Retailer 3€726 EUR
Retailer 2€789 EUR
Retailer 5€1,183 EUR
Retailer 8€1,415 EUR
Retailer 4€1,577 EUR
Taylor and Hart€1,751 EUR

31 data points across 11 retailers

14 retailers€365 EUR to €1,751 EUR

Retailer 1
-
€325 EUR
$365 USD
Price last confirmed 38 days ago
A
Retailer 2
-
€365 EUR
$409 USD
View
Final sale: no returns
A
Retailer 3
-
€377 EUR
$423 USD
View
Retailer 4
-
€399 EUR
$447 USD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
€613 EUR
$687 USD
View
B+
Retailer 6
-
€615 EUR
$690 USD
View
B+
Retailer 7
-
€646 EUR
$724 USD
View
B+
Retailer 8
-
€726 EUR
£641 GBP
View
B+
Retailer 9
-
€860 EUR
$965 USD
View
B
Retailer 10
-
€1,183 EUR
$1,327 USD
View
Retailer 11
-
€1,297 EUR
$1,455 USD
View
Price last confirmed 37 days ago
B
Retailer 12
-
€1,415 EUR
SGD 2,145 SGD
View
B
Retailer 13
-
€1,577 EUR
£1,393 GBP
View
Most Expensive
B
Taylor and Hart
P9ELMS9 · Oct 31
€1,751 EUR
$1,964 USD
View
13 more retailers have this diamond
Prices start from €365 EURSave up to €1,387 EUR

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 Round
€365 EUR