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Round|Lab Grown|IGI

1.82ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG488154388

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154388

Diamond specifications and retailer prices

From $1,000 USD
As of October 31, 2026
Save $5,370 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,370 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.82ct lab-grown round diamond

This 1.82ct 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 LG488154388 or 488154388. Listed at 12 retailers as of October 31, 2026, with prices from $1,000 to $6,370, a $5,370 spread on the same certified stone. MOH London lists it at $6,370. 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

1.82
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154388
Dimensions7.84 × 7.81 × 4.74 mm
L/W Ratio1.00
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
7.84 mm7.81 mm1.82 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154388
Side View
Table 59.5%Crown 35.8°Girdle: MediumPavilion 40.1°Culet: NoneDepth 60.5%

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: Oct 31
Current: $6,370 USD|Low: $1,000 USD|High: $6,455 USD|Avg: $2,932 USD
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
November 1, 2026
Retailer 7$1,000 USD
Retailer 9$1,923 USD
Retailer 12$2,092 USD
Retailer 14$2,153 USD
Retailer 3$2,231 USD
Retailer 10$2,231 USD
Retailer 6$2,270 USD
Retailer 4$2,400 USD
Retailer 5$2,862 USD
Retailer 11$3,493 USD
Retailer 8$3,663 USD
Retailer 2$3,849 USD
Retailer 13$4,181 USD
MOH London$6,370 USD

37 data points across 14 retailers

12 retailers$1,000 USD to $6,370 USD

A
Cheapest Retailer
-
$1,000 USD
B+
Retailer 2
-
$1,923 USD
View
B+
Retailer 3
-
$2,092 USD
View
B+
Retailer 4
-
$2,153 USD
View
Final sale: no returns
Retailer 5
-
$2,231 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
$2,231 USD
View
B+
Retailer 7
-
$2,400 USD
View
B
Retailer 8
-
$3,493 USD
View
B
Retailer 9
-
$3,663 USD
View
B
Retailer 10
-
$3,849 USD
£3,030 GBP
View
B
Retailer 11
-
$4,181 USD
View
Most Expensive
B
MOH London
LG488154388 · Nov 1
$6,370 USD
£5,016 GBP
View
11 more retailers have this diamond
Prices start from $1,000 USDSave up to $5,370 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
1.82ct Round
$1,000 USD