Round|Lab Grown|IGI

1.43ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG818686408

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686408

Diamond specifications and retailer prices

From $233 USD
As of October 29, 2026
Save $932 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,165 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686408 or 818686408. Listed at 17 retailers as of October 29, 2026, with prices from $233 to $1,165, a $932 spread on the same certified stone. MOH London lists it at $1,165. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686408
Dimensions7.27 × 7.23 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm7.23 mm1.43 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686408
Side View
Table 57.0%Crown 33.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.6%

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 29
Current: $1,165 USD|Low: $224 USD|High: $1,172 USD|Avg: $696 USD|+0.5%
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
October 31, 2026
Retailer 11$233 USD
Retailer 12$488 USD
Retailer 7$497 USD
Retailer 2$522 USD
Retailer 6$531 USD
Retailer 13$554 USD
Retailer 3$640 USD
Retailer 8$705 USD
Retailer 10$760 USD
Retailer 9$810 USD
Retailer 5$981 USD
Retailer 4$1,064 USD
MOH London$1,165 USD

33 data points across 13 retailers

17 retailers$233 USD to $1,165 USD

A
Cheapest Retailer
-
$233 USD
A
Retailer 2
-
$270 USD
View
A
Retailer 3
-
$289 USD
View
A
Retailer 4
-
$289 USD
View
A
Retailer 5
-
$488 USD
View
A
Retailer 6
-
$497 USD
ZAR 8,023 ZAR
View
A
Retailer 7
-
$522 USD
€497 EUR
View
A
Retailer 8
-
$531 USD
£418 GBP
View
A
Retailer 9
-
$554 USD
View
Retailer 10
-
$640 USD
View
Price last confirmed 33 days ago
A
Retailer 11
-
$705 USD
A$1,085 AUD
View
B+
Retailer 12
-
$760 USD
View
B+
Retailer 13
-
$810 USD
View
B+
Retailer 14
-
$929 USD
View
B+
Retailer 15
-
$981 USD
View
B+
Retailer 16
-
$1,086 USD
View
Most Expensive
B+
MOH London
LG818686408 · Oct 29
$1,165 USD
£917 GBP
View
16 more retailers have this diamond
Prices start from $233 USDSave up to $932 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
1.43ct Round
$233 USD