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Round|Lab Grown|IGI

1.84ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG517211457

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517211457

Diamond specifications and retailer prices

From $578 USD
As of November 1, 2026
Save $1,115 USD (66%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,693 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.84ct lab-grown round diamond

This 1.84ct lab-grown round 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 LG517211457 or 517211457. Listed at 3 retailers as of November 1, 2026, with prices from $578 to $1,693, a $1,115 spread on the same certified stone. The Diamond Guys lists it at $1,693. 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

1.84
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517211457
Dimensions7.87 × 7.91 × 4.88 mm
L/W Ratio1.01
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
7.87 mm7.91 mm1.84 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517211457
Side View
Table 55.5%Crown 33.8°GirdlePavilion 41.1°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $642 USD|Low: $554 USD|High: $4,416 USD|Avg: $1,811 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
October 29, 2026
Retailer 2$610 USD
Retailer 1$642 USD
Retailer 5$649 USD
Retailer 4$812 USD
Retailer 3$1,280 USD
The Diamond Guys$1,693 USD

19 data points across 6 retailers

3 retailers$578 USD to $1,693 USD

A
Cheapest Retailer
-
$578 USD
B+
Retailer 2
-
$1,280 USD
CA$1,778 CAD
View
Most Expensive
B+
The Diamond Guys
1779252945 · Nov 1
$1,693 USD
View
2 more retailers have this diamond
Prices start from $578 USDSave up to $1,115 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
1.84ct Round
$578 USD